diff --git a/wp-includes/author-template.php b/wp-includes/author-template.php
index 5a119b4ccc..c71ef7134f 100644
--- a/wp-includes/author-template.php
+++ b/wp-includes/author-template.php
@@ -476,7 +476,20 @@ function wp_list_authors( $args = '' ) {
 		}
 
 		if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
-			$name = "$author->first_name $author->last_name";
+
+			$full_name = $author->first_name . ' ' . $author->last_name;
+
+			/**
+			 * Filters the author's full name.
+			 *
+			 * @since 6.1.0
+			 *
+			 * @param string $full_name Full Name of the author. Default: The author's first name
+			 *                          and last name, separated by a space.
+			 * @param object $author    Author object.
+			 */
+			 $name = apply_filters( 'wp_list_author_full_name', $full_name, $author );
+
 		} else {
 			$name = $author->display_name;
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 69c112115d..cb814586e2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53485';
+$wp_version = '6.1-alpha-53486';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.