diff --git a/app/code/Magento/CatalogGraphQl/etc/schema.graphqls b/app/code/Magento/CatalogGraphQl/etc/schema.graphqls
index 35067a6cb99af..812965228682f 100644
--- a/app/code/Magento/CatalogGraphQl/etc/schema.graphqls
+++ b/app/code/Magento/CatalogGraphQl/etc/schema.graphqls
@@ -326,6 +326,7 @@ input ProductAttributeFilterInput @doc(description: "ProductAttributeFilterInput
 input CategoryFilterInput  @doc(description: "CategoryFilterInput defines the filters to be used in the search. A filter contains at least one attribute, a comparison operator, and the value that is being searched for.")
 {
     ids: FilterEqualTypeInput @doc(description: "Filter by category ID that uniquely identifies the category.")
+    parent_id: FilterEqualTypeInput @doc(description: "Filter by parent category ID")
     url_key: FilterEqualTypeInput @doc(description: "Filter by the part of the URL that identifies the category.")
     name: FilterMatchTypeInput @doc(description: "Filter by the display name of the category.")
     url_path: FilterEqualTypeInput @doc(description: "Filter by the URL path for the category.")
diff --git a/dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/CategoriesQuery/CategoriesFilterTest.php b/dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/CategoriesQuery/CategoriesFilterTest.php
index 09f39bf1441f5..01777cfbfd694 100644
--- a/dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/CategoriesQuery/CategoriesFilterTest.php
+++ b/dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/CategoriesQuery/CategoriesFilterTest.php
@@ -569,6 +569,20 @@ public function filterSingleCategoryDataProvider(): array
                     'position' => '1'
                 ]
             ],
+            [
+                'parent_id',
+                'eq',
+                '4',
+                [
+                    'id' => '5',
+                    'name' => 'Category 1.1.1',
+                    'url_key' => 'category-1-1-1',
+                    'url_path' => 'category-1/category-1-1/category-1-1-1',
+                    'children_count' => '0',
+                    'path' => '1/2/3/4/5',
+                    'position' => '1'
+                ]
+            ],
             [
                 'name',
                 'match',
@@ -642,6 +656,41 @@ public function filterMultipleCategoriesDataProvider(): array
                     ]
                 ]
             ],
+            // Filter by multiple parent IDs
+            [
+                'parent_id',
+                'in',
+                '["3", "4"]',
+                [
+                    [
+                        'id' => '4',
+                        'name' => 'Category 1.1',
+                        'url_key' => 'category-1-1',
+                        'url_path' => 'category-1/category-1-1',
+                        'children_count' => '0',
+                        'path' => '1/2/3/4',
+                        'position' => '1'
+                    ],
+                    [
+                        'id' => '5',
+                        'name' => 'Category 1.1.1',
+                        'url_key' => 'category-1-1-1',
+                        'url_path' => 'category-1/category-1-1/category-1-1-1',
+                        'children_count' => '0',
+                        'path' => '1/2/3/4/5',
+                        'position' => '1'
+                    ],
+                    [
+                        'id' => '13',
+                        'name' => 'Category 1.2',
+                        'url_key' => 'category-1-2',
+                        'url_path' => 'category-1/category-1-2',
+                        'children_count' => '0',
+                        'path' => '1/2/3/13',
+                        'position' => '2'
+                    ]
+                ]
+            ],
             //Filter by multiple url keys
             [
                 'url_key',