diff --git a/src/Collection/ArrayList.php b/src/Collection/ArrayList.php
index bfc6a1f..58b2ed5 100644
--- a/src/Collection/ArrayList.php
+++ b/src/Collection/ArrayList.php
@@ -83,17 +83,23 @@ final public function toArray(): array
     // NOTE: IArrayListFactory
     // -------------------------------------------------------------------------
     #[Override]
-    final public static function from(array $elements): static
+    final public static function from(iterable $elements): static
     {
-        return new static($elements);
+        if (is_array($elements)) {
+            return new static($elements);
+        }
+
+        return new static(iterator_to_array($elements));
     }
 
     #[Override]
-    final public static function tryFrom(array $elements): Result
+    final public static function tryFrom(iterable $elements): Result
     {
+        $elements = is_array($elements) ? $elements : iterator_to_array($elements);
+
         return static::isValid($elements)
             ->andThen(static fn () => static::isValidCount($elements))
-            ->andThen(static fn () => Result\ok(static::from($elements)));
+            ->andThen(static fn () => Result\ok(new static($elements)));
     }
 
     #[Override]
diff --git a/src/Collection/List/IArrayListFactory.php b/src/Collection/List/IArrayListFactory.php
index 3dcf5ec..ac5d46d 100644
--- a/src/Collection/List/IArrayListFactory.php
+++ b/src/Collection/List/IArrayListFactory.php
@@ -20,20 +20,20 @@ interface IArrayListFactory
      *
      * @template TFromValue of TValue
      *
-     * @param  array<int,TFromValue> $elements
+     * @param  iterable<int,TFromValue> $elements
      * @return static<TFromValue>
      */
-    public static function from(array $elements): static;
+    public static function from(iterable $elements): static;
 
     /**
      * 信頼できないプリミティブ値からインスタンスを生成する
      *
      * @template TTryFromValue of TValue
      *
-     * @param  array<int,TTryFromValue>                       $elements
+     * @param  iterable<int,TTryFromValue>                    $elements
      * @return Result<static<TTryFromValue>,ValueObjectError>
      */
-    public static function tryFrom(array $elements): Result;
+    public static function tryFrom(iterable $elements): Result;
 
     /**
      * 空のコレクションを作成する