--- a/net/minecraft/server/commands/SetSpawnCommand.java
+++ b/net/minecraft/server/commands/SetSpawnCommand.java
@@ -38,24 +38,34 @@
         ResourceKey<Level> resourcekey = source.getLevel().dimension();
         Iterator iterator = targets.iterator();
 
+        final Collection<ServerPlayer> actualTargets = new java.util.ArrayList<>(); // Paper - Add PlayerSetSpawnEvent
         while (iterator.hasNext()) {
             ServerPlayer entityplayer = (ServerPlayer) iterator.next();
 
-            entityplayer.setRespawnPosition(resourcekey, pos, angle, true, false);
+            // Paper start - Add PlayerSetSpawnEvent
+            if (entityplayer.setRespawnPosition(resourcekey, pos, angle, true, false, com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.COMMAND)) {
+                actualTargets.add(entityplayer);
+            }
+            // Paper end - Add PlayerSetSpawnEvent
         }
+        // Paper start - Add PlayerSetSpawnEvent
+        if (actualTargets.isEmpty()) {
+            return 0;
+        }
+        // Paper end - Add PlayerSetSpawnEvent
 
         String s = resourcekey.location().toString();
 
-        if (targets.size() == 1) {
+        if (actualTargets.size() == 1) { // Paper - Add PlayerSetSpawnEvent
             source.sendSuccess(() -> {
-                return Component.translatable("commands.spawnpoint.success.single", pos.getX(), pos.getY(), pos.getZ(), angle, s, ((ServerPlayer) targets.iterator().next()).getDisplayName());
+                return Component.translatable("commands.spawnpoint.success.single", pos.getX(), pos.getY(), pos.getZ(), angle, s, ((ServerPlayer) actualTargets.iterator().next()).getDisplayName()); // Paper - Add PlayerSetSpawnEvent
             }, true);
         } else {
             source.sendSuccess(() -> {
-                return Component.translatable("commands.spawnpoint.success.multiple", pos.getX(), pos.getY(), pos.getZ(), angle, s, targets.size());
+                return Component.translatable("commands.spawnpoint.success.multiple", pos.getX(), pos.getY(), pos.getZ(), angle, s, actualTargets.size()); // Paper - Add PlayerSetSpawnEvent
             }, true);
         }
 
-        return targets.size();
+        return actualTargets.size(); // Paper - Add PlayerSetSpawnEvent
     }
 }