diff --git a/src/wp-includes/class-wp-block-patterns-registry.php b/src/wp-includes/class-wp-block-patterns-registry.php
index 0a4ae6fc9ccd6..3b835c695e201 100644
--- a/src/wp-includes/class-wp-block-patterns-registry.php
+++ b/src/wp-includes/class-wp-block-patterns-registry.php
@@ -192,6 +192,12 @@ public function get_registered( $pattern_name ) {
 			return null;
 		}
 
+		$key            = 'registered_block_pattern_' . $pattern_name;
+		$cached_pattern = wp_cache_get( $key, '', false, $found );
+		if ( $found ) {
+			return $cached_pattern;
+		}
+
 		$pattern = $this->registered_patterns[ $pattern_name ];
 		if ( ! isset( $pattern['content'] ) && isset( $pattern['file_path'] ) ) {
 			ob_start();
@@ -199,9 +205,9 @@ public function get_registered( $pattern_name ) {
 			$pattern['content']                                    = ob_get_clean();
 			$this->registered_patterns[ $pattern_name ]['content'] = $pattern['content'];
 		}
-
 		$pattern['content'] = $this->prepare_content( $pattern, get_hooked_blocks() );
 
+		wp_cache_set( $key, $pattern );
 		return $pattern;
 	}
 
@@ -231,6 +237,14 @@ public function get_all_registered( $outside_init_only = false ) {
 				}
 				continue;
 			}
+
+			$key            = 'registered_block_pattern_' . $index;
+			$cached_pattern = wp_cache_get( $key, '', false, $found );
+			if ( $found ) {
+				$patterns[ $index ] = $cached_pattern;
+				continue;
+			}
+
 			if ( ! isset( $pattern['content'] ) && isset( $pattern['file_path'] ) ) {
 				ob_start();
 				include $pattern['file_path'];
@@ -242,6 +256,8 @@ public function get_all_registered( $outside_init_only = false ) {
 				}
 			}
 			$patterns[ $index ]['content'] = $this->prepare_content( $pattern, $hooked_blocks );
+
+			wp_cache_set( $key, $patterns[ $index ] );
 		}
 		return $patterns;
 	}