diff --git a/src/main/java/com/sk89q/worldguard/bukkit/WorldConfiguration.java b/src/main/java/com/sk89q/worldguard/bukkit/WorldConfiguration.java
index 74ddbc07..d32267b2 100644
--- a/src/main/java/com/sk89q/worldguard/bukkit/WorldConfiguration.java
+++ b/src/main/java/com/sk89q/worldguard/bukkit/WorldConfiguration.java
@@ -130,6 +130,7 @@ public class WorldConfiguration {
     public boolean highFreqFlags;
     public int regionWand;
     public Set<EntityType> blockCreatureSpawn;
+    public boolean allowTamedSpawns;
     // public boolean useiConomy;
     // public boolean buyOnClaim;
     // public double buyOnClaimPrice;
@@ -356,6 +357,7 @@ private void loadConfiguration() {
         blockFireballExplosions = getBoolean("mobs.block-fireball-explosions", false);
         blockFireballBlockDamage = getBoolean("mobs.block-fireball-block-damage", false);
         antiWolfDumbness = getBoolean("mobs.anti-wolf-dumbness", false);
+        allowTamedSpawns = getBoolean("mobs.allow-tamed-spawns", true);
         disableEndermanGriefing = getBoolean("mobs.disable-enderman-griefing", false);
         disableSnowmanTrails = getBoolean("mobs.disable-snowman-trails", false);
         blockEntityPaintingDestroy = getBoolean("mobs.block-painting-destroy", false);
diff --git a/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java b/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java
index b96f9daf..2d597766 100644
--- a/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java
+++ b/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java
@@ -761,8 +761,15 @@ public void onCreatureSpawn(CreatureSpawnEvent event) {
         WorldConfiguration wcfg = cfg.get(event.getEntity().getWorld());
 
         // allow spawning of creatures from plugins
-        if (!wcfg.blockPluginSpawning && event.getSpawnReason() == CreatureSpawnEvent.SpawnReason.CUSTOM)
+        if (!wcfg.blockPluginSpawning && event.getSpawnReason() == CreatureSpawnEvent.SpawnReason.CUSTOM) {
             return;
+        }
+
+        if (wcfg.allowTamedSpawns
+                && event.getEntity() instanceof Tameable // nullsafe check
+                && ((Tameable) event.getEntity()).isTamed()) {
+            return;
+        }
 
         EntityType entityType = event.getEntityType();