diff --git a/paper-api/src/main/java/org/bukkit/Registry.java b/paper-api/src/main/java/org/bukkit/Registry.java
index 6345bd9464..44b8c9111d 100644
--- a/paper-api/src/main/java/org/bukkit/Registry.java
+++ b/paper-api/src/main/java/org/bukkit/Registry.java
@@ -8,6 +8,8 @@ import java.util.Iterator;
 import java.util.Map;
 import java.util.Objects;
 import java.util.function.Predicate;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
 import org.bukkit.advancement.Advancement;
 import org.bukkit.attribute.Attribute;
 import org.bukkit.block.Biome;
@@ -48,6 +50,12 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
             return Bukkit.getAdvancement(key);
         }
 
+        @NotNull
+        @Override
+        public Stream<Advancement> stream() {
+            return StreamSupport.stream(spliterator(), false);
+        }
+
         @NotNull
         @Override
         public Iterator<Advancement> iterator() {
@@ -86,6 +94,12 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
             return Bukkit.getBossBar(key);
         }
 
+        @NotNull
+        @Override
+        public Stream<KeyedBossBar> stream() {
+            return StreamSupport.stream(spliterator(), false);
+        }
+
         @NotNull
         @Override
         public Iterator<KeyedBossBar> iterator() {
@@ -105,6 +119,12 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
             return Enchantment.getByKey(key);
         }
 
+        @NotNull
+        @Override
+        public Stream<Enchantment> stream() {
+            return StreamSupport.stream(spliterator(), false);
+        }
+
         @NotNull
         @Override
         public Iterator<Enchantment> iterator() {
@@ -203,6 +223,12 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
         public MemoryKey get(@NotNull NamespacedKey key) {
             return MemoryKey.getByKey(key);
         }
+
+        @NotNull
+        @Override
+        public Stream<MemoryKey> stream() {
+            return StreamSupport.stream(spliterator(), false);
+        }
     };
     /**
      * Server fluids.
@@ -231,6 +257,14 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
     @Nullable
     T get(@NotNull NamespacedKey key);
 
+    /**
+     * Returns a new stream, which contains all registry items, which are registered to the registry.
+     *
+     * @return a stream of all registry items
+     */
+    @NotNull
+    Stream<T> stream();
+
     /**
      * Attempts to match the registered object with the given key.
      * <p>
@@ -275,6 +309,12 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
             return map.get(key);
         }
 
+        @NotNull
+        @Override
+        public Stream<T> stream() {
+            return StreamSupport.stream(spliterator(), false);
+        }
+
         @NotNull
         @Override
         public Iterator<T> iterator() {
diff --git a/paper-api/src/test/java/org/bukkit/TestServer.java b/paper-api/src/test/java/org/bukkit/TestServer.java
index 701a17c10f..d20c29fc6f 100644
--- a/paper-api/src/test/java/org/bukkit/TestServer.java
+++ b/paper-api/src/test/java/org/bukkit/TestServer.java
@@ -7,6 +7,7 @@ import java.lang.reflect.Proxy;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.logging.Logger;
+import java.util.stream.Stream;
 import org.bukkit.command.SimpleCommandMap;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.SimplePluginManager;
@@ -87,7 +88,7 @@ public final class TestServer implements InvocationHandler {
                                 @NotNull
                                 @Override
                                 public Iterator iterator() {
-                                    return null;
+                                    throw new UnsupportedOperationException();
                                 }
 
                                 @Nullable
@@ -95,6 +96,12 @@ public final class TestServer implements InvocationHandler {
                                 public Keyed get(@NotNull NamespacedKey key) {
                                     return null;
                                 }
+
+                                @NotNull
+                                @Override
+                                public Stream stream() {
+                                    throw new UnsupportedOperationException();
+                                }
                             };
                         }
                     }