diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2d2e62a62..cc8f9c5081 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ### General
 - Feat: UserWebhookとSystemWebhookのテスト送信機能を追加 (#14445)
+- Enhance: ユーザーによるコンテンツインポートの可否をロールポリシーで制御できるように
 
 ### Client
 - Feat: ノート単体・ユーザーのノート・クリップのノートの埋め込み機能
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 798cb89f83..f234262195 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -6766,6 +6766,26 @@ export interface Locale extends ILocale {
              * アイコンデコレーションの最大取付個数
              */
             "avatarDecorationLimit": string;
+            /**
+             * アンテナのインポートを許可
+             */
+            "canImportAntennas": string;
+            /**
+             * ブロックのインポートを許可
+             */
+            "canImportBlocking": string;
+            /**
+             * フォローのインポートを許可
+             */
+            "canImportFollowing": string;
+            /**
+             * ミュートのインポートを許可
+             */
+            "canImportMuting": string;
+            /**
+             * リストのインポートを許可
+             */
+            "canImportUserLists": string;
         };
         "_condition": {
             /**
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 726e4f4ef4..8e48508e78 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1748,6 +1748,11 @@ _role:
     canSearchNotes: "ノート検索の利用"
     canUseTranslator: "翻訳機能の利用"
     avatarDecorationLimit: "アイコンデコレーションの最大取付個数"
+    canImportAntennas: "アンテナのインポートを許可"
+    canImportBlocking: "ブロックのインポートを許可"
+    canImportFollowing: "フォローのインポートを許可"
+    canImportMuting: "ミュートのインポートを許可"
+    canImportUserLists: "リストのインポートを許可"
   _condition:
     roleAssignedTo: "マニュアルロールにアサイン済み"
     isLocal: "ローカルユーザー"
diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index 0210012a03..24752edcf6 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -58,6 +58,11 @@ export type RolePolicies = {
 	userEachUserListsLimit: number;
 	rateLimitFactor: number;
 	avatarDecorationLimit: number;
+	canImportAntennas: boolean;
+	canImportBlocking: boolean;
+	canImportFollowing: boolean;
+	canImportMuting: boolean;
+	canImportUserLists: boolean;
 };
 
 export const DEFAULT_POLICIES: RolePolicies = {
@@ -87,6 +92,11 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	userEachUserListsLimit: 50,
 	rateLimitFactor: 1,
 	avatarDecorationLimit: 1,
+	canImportAntennas: true,
+	canImportBlocking: true,
+	canImportFollowing: true,
+	canImportMuting: true,
+	canImportUserLists: true,
 };
 
 @Injectable()
@@ -387,6 +397,11 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 			userEachUserListsLimit: calc('userEachUserListsLimit', vs => Math.max(...vs)),
 			rateLimitFactor: calc('rateLimitFactor', vs => Math.max(...vs)),
 			avatarDecorationLimit: calc('avatarDecorationLimit', vs => Math.max(...vs)),
+			canImportAntennas: calc('canImportAntennas', vs => vs.some(v => v === true)),
+			canImportBlocking: calc('canImportBlocking', vs => vs.some(v => v === true)),
+			canImportFollowing: calc('canImportFollowing', vs => vs.some(v => v === true)),
+			canImportMuting: calc('canImportMuting', vs => vs.some(v => v === true)),
+			canImportUserLists: calc('canImportUserLists', vs => vs.some(v => v === true)),
 		};
 	}
 
diff --git a/packages/backend/src/models/json-schema/role.ts b/packages/backend/src/models/json-schema/role.ts
index 7366f05356..3537de94c8 100644
--- a/packages/backend/src/models/json-schema/role.ts
+++ b/packages/backend/src/models/json-schema/role.ts
@@ -272,6 +272,26 @@ export const packedRolePoliciesSchema = {
 			type: 'integer',
 			optional: false, nullable: false,
 		},
+		canImportAntennas: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		canImportBlocking: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		canImportFollowing: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		canImportMuting: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		canImportUserLists: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 	},
 } as const;
 
diff --git a/packages/backend/src/server/api/endpoints/i/import-antennas.ts b/packages/backend/src/server/api/endpoints/i/import-antennas.ts
index bc46163e3d..bdf6c065e8 100644
--- a/packages/backend/src/server/api/endpoints/i/import-antennas.ts
+++ b/packages/backend/src/server/api/endpoints/i/import-antennas.ts
@@ -16,6 +16,7 @@ import { ApiError } from '../../error.js';
 export const meta = {
 	secure: true,
 	requireCredential: true,
+	requireRolePolicy: 'canImportAntennas',
 	prohibitMoved: true,
 
 	limit: {
diff --git a/packages/backend/src/server/api/endpoints/i/import-blocking.ts b/packages/backend/src/server/api/endpoints/i/import-blocking.ts
index 2606108539..d7bb6bcd22 100644
--- a/packages/backend/src/server/api/endpoints/i/import-blocking.ts
+++ b/packages/backend/src/server/api/endpoints/i/import-blocking.ts
@@ -15,6 +15,7 @@ import { ApiError } from '../../error.js';
 export const meta = {
 	secure: true,
 	requireCredential: true,
+	requireRolePolicy: 'canImportBlocking',
 	prohibitMoved: true,
 
 	limit: {
diff --git a/packages/backend/src/server/api/endpoints/i/import-following.ts b/packages/backend/src/server/api/endpoints/i/import-following.ts
index d5e824df27..e03192d8c6 100644
--- a/packages/backend/src/server/api/endpoints/i/import-following.ts
+++ b/packages/backend/src/server/api/endpoints/i/import-following.ts
@@ -15,6 +15,7 @@ import { ApiError } from '../../error.js';
 export const meta = {
 	secure: true,
 	requireCredential: true,
+	requireRolePolicy: 'canImportFollowing',
 	prohibitMoved: true,
 	limit: {
 		duration: ms('1hour'),
diff --git a/packages/backend/src/server/api/endpoints/i/import-muting.ts b/packages/backend/src/server/api/endpoints/i/import-muting.ts
index 0f5800404e..76b285bb7e 100644
--- a/packages/backend/src/server/api/endpoints/i/import-muting.ts
+++ b/packages/backend/src/server/api/endpoints/i/import-muting.ts
@@ -15,6 +15,7 @@ import { ApiError } from '../../error.js';
 export const meta = {
 	secure: true,
 	requireCredential: true,
+	requireRolePolicy: 'canImportMuting',
 	prohibitMoved: true,
 
 	limit: {
diff --git a/packages/backend/src/server/api/endpoints/i/import-user-lists.ts b/packages/backend/src/server/api/endpoints/i/import-user-lists.ts
index bacdd5c88f..76ecfd082c 100644
--- a/packages/backend/src/server/api/endpoints/i/import-user-lists.ts
+++ b/packages/backend/src/server/api/endpoints/i/import-user-lists.ts
@@ -15,6 +15,7 @@ import { ApiError } from '../../error.js';
 export const meta = {
 	secure: true,
 	requireCredential: true,
+	requireRolePolicy: 'canImportUserLists',
 	prohibitMoved: true,
 	limit: {
 		duration: ms('1hour'),
diff --git a/packages/frontend-shared/js/const.ts b/packages/frontend-shared/js/const.ts
index 8391fb638c..b62a69ba24 100644
--- a/packages/frontend-shared/js/const.ts
+++ b/packages/frontend-shared/js/const.ts
@@ -98,6 +98,11 @@ export const ROLE_POLICIES = [
 	'userEachUserListsLimit',
 	'rateLimitFactor',
 	'avatarDecorationLimit',
+	'canImportAntennas',
+	'canImportBlocking',
+	'canImportFollowing',
+	'canImportMuting',
+	'canImportUserLists',
 ] as const;
 
 // なんか動かない
diff --git a/packages/frontend/src/pages/admin/roles.editor.vue b/packages/frontend/src/pages/admin/roles.editor.vue
index b0137abb3f..ae01432d0c 100644
--- a/packages/frontend/src/pages/admin/roles.editor.vue
+++ b/packages/frontend/src/pages/admin/roles.editor.vue
@@ -590,6 +590,106 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</MkRange>
 				</div>
 			</MkFolder>
+
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportAntennas, 'canImportAntennas'])">
+				<template #label>{{ i18n.ts._role._options.canImportAntennas }}</template>
+				<template #suffix>
+					<span v-if="role.policies.canImportAntennas.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.canImportAntennas.value ? i18n.ts.yes : i18n.ts.no }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.canImportAntennas)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.canImportAntennas.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="role.policies.canImportAntennas.value" :disabled="role.policies.canImportAntennas.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts.enable }}</template>
+					</MkSwitch>
+					<MkRange v-model="role.policies.canImportAntennas.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
+
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportBlocking, 'canImportBlocking'])">
+				<template #label>{{ i18n.ts._role._options.canImportBlocking }}</template>
+				<template #suffix>
+					<span v-if="role.policies.canImportBlocking.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.canImportBlocking.value ? i18n.ts.yes : i18n.ts.no }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.canImportBlocking)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.canImportBlocking.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="role.policies.canImportBlocking.value" :disabled="role.policies.canImportBlocking.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts.enable }}</template>
+					</MkSwitch>
+					<MkRange v-model="role.policies.canImportBlocking.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
+
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportFollowing, 'canImportFollowing'])">
+				<template #label>{{ i18n.ts._role._options.canImportFollowing }}</template>
+				<template #suffix>
+					<span v-if="role.policies.canImportFollowing.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.canImportFollowing.value ? i18n.ts.yes : i18n.ts.no }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.canImportFollowing)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.canImportFollowing.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="role.policies.canImportFollowing.value" :disabled="role.policies.canImportFollowing.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts.enable }}</template>
+					</MkSwitch>
+					<MkRange v-model="role.policies.canImportFollowing.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
+
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportMuting, 'canImportMuting'])">
+				<template #label>{{ i18n.ts._role._options.canImportMuting }}</template>
+				<template #suffix>
+					<span v-if="role.policies.canImportMuting.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.canImportMuting.value ? i18n.ts.yes : i18n.ts.no }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.canImportMuting)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.canImportMuting.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="role.policies.canImportMuting.value" :disabled="role.policies.canImportMuting.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts.enable }}</template>
+					</MkSwitch>
+					<MkRange v-model="role.policies.canImportMuting.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
+
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportUserLists, 'canImportUserLists'])">
+				<template #label>{{ i18n.ts._role._options.canImportUserLists }}</template>
+				<template #suffix>
+					<span v-if="role.policies.canImportUserLists.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.canImportUserLists.value ? i18n.ts.yes : i18n.ts.no }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.canImportUserLists)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.canImportUserLists.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="role.policies.canImportUserLists.value" :disabled="role.policies.canImportUserLists.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts.enable }}</template>
+					</MkSwitch>
+					<MkRange v-model="role.policies.canImportUserLists.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
 		</div>
 	</FormSlot>
 </div>
diff --git a/packages/frontend/src/pages/admin/roles.vue b/packages/frontend/src/pages/admin/roles.vue
index 7e29f6e0d8..511e3c0fdf 100644
--- a/packages/frontend/src/pages/admin/roles.vue
+++ b/packages/frontend/src/pages/admin/roles.vue
@@ -214,6 +214,46 @@ SPDX-License-Identifier: AGPL-3.0-only
 							</MkInput>
 						</MkFolder>
 
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportAntennas, 'canImportAntennas'])">
+							<template #label>{{ i18n.ts._role._options.canImportAntennas }}</template>
+							<template #suffix>{{ policies.canImportAntennas ? i18n.ts.yes : i18n.ts.no }}</template>
+							<MkSwitch v-model="policies.canImportAntennas">
+								<template #label>{{ i18n.ts.enable }}</template>
+							</MkSwitch>
+						</MkFolder>
+
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportBlocking, 'canImportBlocking'])">
+							<template #label>{{ i18n.ts._role._options.canImportBlocking }}</template>
+							<template #suffix>{{ policies.canImportBlocking ? i18n.ts.yes : i18n.ts.no }}</template>
+							<MkSwitch v-model="policies.canImportBlocking">
+								<template #label>{{ i18n.ts.enable }}</template>
+							</MkSwitch>
+						</MkFolder>
+
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportFollowing, 'canImportFollowing'])">
+							<template #label>{{ i18n.ts._role._options.canImportFollowing }}</template>
+							<template #suffix>{{ policies.canImportFollowing ? i18n.ts.yes : i18n.ts.no }}</template>
+							<MkSwitch v-model="policies.canImportFollowing">
+								<template #label>{{ i18n.ts.enable }}</template>
+							</MkSwitch>
+						</MkFolder>
+
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportMuting, 'canImportMuting'])">
+							<template #label>{{ i18n.ts._role._options.canImportMuting }}</template>
+							<template #suffix>{{ policies.canImportMuting ? i18n.ts.yes : i18n.ts.no }}</template>
+							<MkSwitch v-model="policies.canImportMuting">
+								<template #label>{{ i18n.ts.enable }}</template>
+							</MkSwitch>
+						</MkFolder>
+
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.canImportUserLists, 'canImportUserList'])">
+							<template #label>{{ i18n.ts._role._options.canImportUserLists }}</template>
+							<template #suffix>{{ policies.canImportUserLists ? i18n.ts.yes : i18n.ts.no }}</template>
+							<MkSwitch v-model="policies.canImportUserLists">
+								<template #label>{{ i18n.ts.enable }}</template>
+							</MkSwitch>
+						</MkFolder>
+
 						<MkButton primary rounded @click="updateBaseRole">{{ i18n.ts.save }}</MkButton>
 					</div>
 				</MkFolder>
diff --git a/packages/frontend/src/pages/settings/import-export.vue b/packages/frontend/src/pages/settings/import-export.vue
index 9bb3957a84..5acbc50756 100644
--- a/packages/frontend/src/pages/settings/import-export.vue
+++ b/packages/frontend/src/pages/settings/import-export.vue
@@ -45,7 +45,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<MkButton primary :class="$style.button" inline @click="exportFollowing()"><i class="ti ti-download"></i> {{ i18n.ts.export }}</MkButton>
 				</div>
 			</MkFolder>
-			<MkFolder v-if="$i && !$i.movedTo">
+			<MkFolder v-if="$i && !$i.movedTo && $i.policies.canImportFollowing">
 				<template #label>{{ i18n.ts.import }}</template>
 				<template #icon><i class="ti ti-upload"></i></template>
 				<MkSwitch v-model="withReplies">
@@ -63,7 +63,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<template #icon><i class="ti ti-download"></i></template>
 				<MkButton primary :class="$style.button" inline @click="exportUserLists()"><i class="ti ti-download"></i> {{ i18n.ts.export }}</MkButton>
 			</MkFolder>
-			<MkFolder v-if="$i && !$i.movedTo">
+			<MkFolder v-if="$i && !$i.movedTo && $i.policies.canImportUserLists">
 				<template #label>{{ i18n.ts.import }}</template>
 				<template #icon><i class="ti ti-upload"></i></template>
 				<MkButton primary :class="$style.button" inline @click="importUserLists($event)"><i class="ti ti-upload"></i> {{ i18n.ts.import }}</MkButton>
@@ -78,7 +78,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<template #icon><i class="ti ti-download"></i></template>
 				<MkButton primary :class="$style.button" inline @click="exportMuting()"><i class="ti ti-download"></i> {{ i18n.ts.export }}</MkButton>
 			</MkFolder>
-			<MkFolder v-if="$i && !$i.movedTo">
+			<MkFolder v-if="$i && !$i.movedTo && $i.policies.canImportMuting">
 				<template #label>{{ i18n.ts.import }}</template>
 				<template #icon><i class="ti ti-upload"></i></template>
 				<MkButton primary :class="$style.button" inline @click="importMuting($event)"><i class="ti ti-upload"></i> {{ i18n.ts.import }}</MkButton>
@@ -93,7 +93,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<template #icon><i class="ti ti-download"></i></template>
 				<MkButton primary :class="$style.button" inline @click="exportBlocking()"><i class="ti ti-download"></i> {{ i18n.ts.export }}</MkButton>
 			</MkFolder>
-			<MkFolder v-if="$i && !$i.movedTo">
+			<MkFolder v-if="$i && !$i.movedTo && $i.policies.canImportBlocking">
 				<template #label>{{ i18n.ts.import }}</template>
 				<template #icon><i class="ti ti-upload"></i></template>
 				<MkButton primary :class="$style.button" inline @click="importBlocking($event)"><i class="ti ti-upload"></i> {{ i18n.ts.import }}</MkButton>
@@ -108,7 +108,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<template #icon><i class="ti ti-download"></i></template>
 				<MkButton primary :class="$style.button" inline @click="exportAntennas()"><i class="ti ti-download"></i> {{ i18n.ts.export }}</MkButton>
 			</MkFolder>
-			<MkFolder v-if="$i && !$i.movedTo">
+			<MkFolder v-if="$i && !$i.movedTo && $i.policies.canImportAntennas">
 				<template #label>{{ i18n.ts.import }}</template>
 				<template #icon><i class="ti ti-upload"></i></template>
 				<MkButton primary :class="$style.button" inline @click="importAntennas($event)"><i class="ti ti-upload"></i> {{ i18n.ts.import }}</MkButton>
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index 672d75e267..5d5bc52956 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -4822,6 +4822,11 @@ export type components = {
       userEachUserListsLimit: number;
       rateLimitFactor: number;
       avatarDecorationLimit: number;
+      canImportAntennas: boolean;
+      canImportBlocking: boolean;
+      canImportFollowing: boolean;
+      canImportMuting: boolean;
+      canImportUserLists: boolean;
     };
     ReversiGameLite: {
       /** Format: id */