diff --git a/src/wp-includes/blocks.php b/src/wp-includes/blocks.php
index a7919090cf..0ab0e7ca6a 100644
--- a/src/wp-includes/blocks.php
+++ b/src/wp-includes/blocks.php
@@ -813,16 +813,18 @@ function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) {
  */
 function render_block( $parsed_block ) {
 	global $post;
+	$parent_block = null;
 
 	/**
 	 * Allows render_block() to be short-circuited, by returning a non-null value.
 	 *
 	 * @since 5.1.0
 	 *
-	 * @param string|null $pre_render   The pre-rendered content. Default null.
-	 * @param array       $parsed_block The block being rendered.
+	 * @param string|null   $pre_render   The pre-rendered content. Default null.
+	 * @param array         $parsed_block The block being rendered.
+	 * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
 	 */
-	$pre_render = apply_filters( 'pre_render_block', null, $parsed_block );
+	$pre_render = apply_filters( 'pre_render_block', null, $parsed_block, $parent_block );
 	if ( ! is_null( $pre_render ) ) {
 		return $pre_render;
 	}
@@ -834,10 +836,11 @@ function render_block( $parsed_block ) {
 	 *
 	 * @since 5.1.0
 	 *
-	 * @param array $parsed_block The block being rendered.
-	 * @param array $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
+	 * @param array         $parsed_block The block being rendered.
+	 * @param array         $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
+	 * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
 	 */
-	$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block );
+	$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block );
 
 	$context = array();
 
@@ -858,10 +861,11 @@ function render_block( $parsed_block ) {
 	 *
 	 * @since 5.5.0
 	 *
-	 * @param array $context      Default context.
-	 * @param array $parsed_block Block being rendered, filtered by `render_block_data`.
+	 * @param array         $context      Default context.
+	 * @param array         $parsed_block Block being rendered, filtered by `render_block_data`.
+	 * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
 	 */
-	$context = apply_filters( 'render_block_context', $context, $parsed_block );
+	$context = apply_filters( 'render_block_context', $context, $parsed_block, $parent_block );
 
 	$block = new WP_Block( $parsed_block, $context );
 
diff --git a/src/wp-includes/class-wp-block.php b/src/wp-includes/class-wp-block.php
index 189ce4e615..ed5b0f0767 100644
--- a/src/wp-includes/class-wp-block.php
+++ b/src/wp-includes/class-wp-block.php
@@ -57,6 +57,15 @@ class WP_Block {
 	 */
 	protected $available_context;
 
+	/**
+	 * Block type registry.
+	 *
+	 * @since 5.9.0
+	 * @var WP_Block_Type_Registry
+	 * @access protected
+	 */
+	protected $registry;
+
 	/**
 	 * List of inner blocks (of this same class)
 	 *
@@ -115,6 +124,8 @@ class WP_Block {
 			$registry = WP_Block_Type_Registry::get_instance();
 		}
 
+		$this->registry = $registry;
+
 		$this->block_type = $registry->get_registered( $this->name );
 
 		$this->available_context = $available_context;
@@ -205,10 +216,33 @@ class WP_Block {
 
 		if ( ! $options['dynamic'] || empty( $this->block_type->skip_inner_blocks ) ) {
 			$index = 0;
+
 			foreach ( $this->inner_content as $chunk ) {
-				$block_content .= is_string( $chunk ) ?
-					$chunk :
-					$this->inner_blocks[ $index++ ]->render();
+				if ( is_string( $chunk ) ) {
+					$block_content .= $chunk;
+				} else {
+					$inner_block  = $this->inner_blocks[ $index ];
+					$parent_block = $this;
+
+					/** This filter is documented in wp-includes/blocks.php */
+					$pre_render = apply_filters( 'pre_render_block', null, $inner_block->parsed_block, $parent_block );
+
+					if ( ! is_null( $pre_render ) ) {
+						$block_content .= $pre_render;
+					} else {
+						$source_block = $inner_block->parsed_block;
+
+						/** This filter is documented in wp-includes/blocks.php */
+						$inner_block->parsed_block = apply_filters( 'render_block_data', $inner_block->parsed_block, $source_block, $parent_block );
+
+						/** This filter is documented in wp-includes/blocks.php */
+						$inner_block->context = apply_filters( 'render_block_context', $inner_block->context, $inner_block->parsed_block, $parent_block );
+
+						$block_content .= $inner_block->render();
+					}
+
+					$index++;
+				}
 			}
 		}
 
diff --git a/tests/phpunit/tests/blocks/wpBlock.php b/tests/phpunit/tests/blocks/wpBlock.php
index e44a96d8b0..0545babd6a 100644
--- a/tests/phpunit/tests/blocks/wpBlock.php
+++ b/tests/phpunit/tests/blocks/wpBlock.php
@@ -628,4 +628,44 @@ class Tests_Blocks_wpBlock extends WP_UnitTestCase {
 		$gradient_support = block_has_support( $block_type, array( 'color', 'gradient' ), true );
 		$this->assertFalse( $gradient_support );
 	}
+
+	/**
+	 * @ticket 51612
+	 */
+	public function test_block_filters_for_inner_blocks() {
+		$pre_render_callback           = new MockAction();
+		$render_block_data_callback    = new MockAction();
+		$render_block_context_callback = new MockAction();
+
+		$this->registry->register(
+			'core/outer',
+			array(
+				'render_callback' => function( $block_attributes, $content ) {
+					return $content;
+				},
+			)
+		);
+
+		$this->registry->register(
+			'core/inner',
+			array(
+				'render_callback' => function() {
+					return 'b';
+				},
+			)
+		);
+
+		$parsed_blocks = parse_blocks( '<!-- wp:outer -->a<!-- wp:inner /-->c<!-- /wp:outer -->' );
+		$parsed_block  = $parsed_blocks[0];
+
+		add_filter( 'pre_render_block', array( $pre_render_callback, 'filter' ) );
+		add_filter( 'render_block_data', array( $render_block_data_callback, 'filter' ) );
+		add_filter( 'render_block_context', array( $render_block_context_callback, 'filter' ) );
+
+		render_block( $parsed_block );
+
+		$this->assertSame( 2, $pre_render_callback->get_call_count() );
+		$this->assertSame( 2, $render_block_data_callback->get_call_count() );
+		$this->assertSame( 2, $render_block_context_callback->get_call_count() );
+	}
 }