diff --git a/src/wp-includes/class-wp-theme-json-resolver.php b/src/wp-includes/class-wp-theme-json-resolver.php
index d63a84353cd46..6f0ee0086db15 100644
--- a/src/wp-includes/class-wp-theme-json-resolver.php
+++ b/src/wp-includes/class-wp-theme-json-resolver.php
@@ -91,6 +91,14 @@ class WP_Theme_JSON_Resolver {
 	 */
 	protected static $theme_json_file_cache = array();
 
+	/**
+	 * Cache for resolved files per theme.
+	 *
+	 * @since 6.8.0
+	 * @var array
+	 */
+	protected static $resolved_theme_uris_cache = array();
+
 	/**
 	 * Processes a file that adheres to the theme.json schema
 	 * and returns an array with its contents, or a void array if none found.
@@ -739,20 +747,22 @@ protected static function get_file_path_from_theme( $file_name, $template = fals
 	 *              and `$i18n_schema` variables to reset.
 	 * @since 6.1.0 Added the `$blocks` and `$blocks_cache` variables
 	 *              to reset.
+	 * @since 6.8.0 Added the `$resolved_theme_uris_cache` variable to reset.
 	 */
 	public static function clean_cached_data() {
-		static::$core                     = null;
-		static::$blocks                   = null;
-		static::$blocks_cache             = array(
+		static::$core                      = null;
+		static::$blocks                    = null;
+		static::$blocks_cache              = array(
 			'core'   => array(),
 			'blocks' => array(),
 			'theme'  => array(),
 			'user'   => array(),
 		);
-		static::$theme                    = null;
-		static::$user                     = null;
-		static::$user_custom_post_type_id = null;
-		static::$i18n_schema              = null;
+		static::$theme                     = null;
+		static::$user                      = null;
+		static::$user_custom_post_type_id  = null;
+		static::$i18n_schema               = null;
+		static::$resolved_theme_uris_cache = array();
 	}
 
 	/**
@@ -849,6 +859,7 @@ public static function get_style_variations( $scope = 'theme' ) {
 	 *
 	 * @since 6.6.0
 	 * @since 6.7.0 Resolve relative paths in block styles.
+	 * @since 6.8.0 Added caching for resolved theme URIs.
 	 *
 	 * @param WP_Theme_JSON $theme_json A theme json instance.
 	 * @return array An array of resolved paths.
@@ -860,7 +871,13 @@ public static function get_resolved_theme_uris( $theme_json ) {
 			return $resolved_theme_uris;
 		}
 
-		$theme_json_data = $theme_json->get_raw_data();
+		$theme_json_data               = $theme_json->get_raw_data();
+		$resolved_theme_uris_cache_key = md5( wp_json_encode( $theme_json_data ) );
+
+		if ( ! empty( static::$resolved_theme_uris_cache[ $resolved_theme_uris_cache_key ] ) ) {
+			return static::$resolved_theme_uris_cache[ $resolved_theme_uris_cache_key ];
+		}
+
 		/*
 		 * The same file convention when registering web fonts.
 		 * See: WP_Font_Face_Resolver::to_theme_file_uri.
@@ -914,7 +931,7 @@ public static function get_resolved_theme_uris( $theme_json ) {
 				}
 			}
 		}
-
+		static::$resolved_theme_uris_cache[ $resolved_theme_uris_cache_key ] = $resolved_theme_uris;
 		return $resolved_theme_uris;
 	}
 
diff --git a/tests/phpunit/tests/theme/wpThemeJsonResolver.php b/tests/phpunit/tests/theme/wpThemeJsonResolver.php
index 4fb3784f1a41b..bbd5fd40683cd 100644
--- a/tests/phpunit/tests/theme/wpThemeJsonResolver.php
+++ b/tests/phpunit/tests/theme/wpThemeJsonResolver.php
@@ -33,6 +33,20 @@ class Tests_Theme_wpThemeJsonResolver extends WP_UnitTestCase {
 	 */
 	private static $property_blocks_cache_orig_value;
 
+	/**
+	 * WP_Theme_JSON_Resolver::$resolved_theme_uris_cache property.
+	 *
+	 * @var ReflectionProperty
+	 */
+	private static $property_resolved_theme_uris_cache;
+
+	/**
+	 * Original value of the WP_Theme_JSON_Resolver::$resolved_theme_uris_cache property.
+	 *
+	 * @var array
+	 */
+	private static $property_resolved_theme_uris_cache_orig_value;
+
 	/**
 	 * WP_Theme_JSON_Resolver::$core property.
 	 *
@@ -83,11 +97,16 @@ public static function set_up_before_class() {
 		static::$property_core = new ReflectionProperty( WP_Theme_JSON_Resolver::class, 'core' );
 		static::$property_core->setAccessible( true );
 		static::$property_core_orig_value = static::$property_core->getValue();
+
+		static::$property_resolved_theme_uris_cache = new ReflectionProperty( WP_Theme_JSON_Resolver::class, 'resolved_theme_uris_cache' );
+		static::$property_resolved_theme_uris_cache->setAccessible( true );
+		static::$property_resolved_theme_uris_cache_orig_value = static::$property_resolved_theme_uris_cache->getValue();
 	}
 
 	public static function tear_down_after_class() {
 		static::$property_blocks_cache->setValue( null, static::$property_blocks_cache_orig_value );
 		static::$property_core->setValue( null, static::$property_core_orig_value );
+		static::$property_resolved_theme_uris_cache->setValue( null, static::$property_resolved_theme_uris_cache_orig_value );
 		parent::tear_down_after_class();
 	}
 
@@ -1322,11 +1341,13 @@ public function test_resolve_theme_file_uris() {
 	}
 
 	/**
-	 * Tests that them uris are resolved and bundled with other metadata in an array.
+	 * Tests that them uris are resolved and bundled with other metadata in an array
+	 * and cached.
 	 *
 	 * @covers WP_Theme_JSON_Resolver::get_resolved_theme_uris
 	 * @ticket 61273
 	 * @ticket 61588
+	 * @ticket 62261
 	 */
 	public function test_get_resolved_theme_uris() {
 		$theme_json = new WP_Theme_JSON(
@@ -1381,7 +1402,13 @@ public function test_get_resolved_theme_uris() {
 
 		$actual = WP_Theme_JSON_Resolver::get_resolved_theme_uris( $theme_json );
 
-		$this->assertSame( $expected_data, $actual );
+		$this->assertSame( $expected_data, $actual, 'Resolved theme uris do not match.' );
+
+		// Test that resolved theme uris are cached.
+		$cache_key           = md5( wp_json_encode( $theme_json->get_raw_data() ) );
+		$expected_cache_data = array( "$cache_key" => $actual );
+
+		$this->assertSame( $expected_cache_data, static::$property_resolved_theme_uris_cache->getValue(), 'Resolved theme uris cache data does not match.' );
 	}
 
 	/**