diff --git a/wp-admin/includes/class-wp-ms-users-list-table.php b/wp-admin/includes/class-wp-ms-users-list-table.php
index be72876c36..d2ba7c72b5 100644
--- a/wp-admin/includes/class-wp-ms-users-list-table.php
+++ b/wp-admin/includes/class-wp-ms-users-list-table.php
@@ -302,7 +302,12 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 	 */
 	public function column_name( $user ) {
 		if ( $user->first_name && $user->last_name ) {
-			echo "$user->first_name $user->last_name";
+			printf(
+				/* translators: 1: User's first name, 2: Last name. */
+				_x( '%1$s %2$s', 'Display name based on first name and last name' ),
+				$user->first_name,
+				$user->last_name
+			);
 		} elseif ( $user->first_name ) {
 			echo $user->first_name;
 		} elseif ( $user->last_name ) {
diff --git a/wp-admin/includes/class-wp-users-list-table.php b/wp-admin/includes/class-wp-users-list-table.php
index 1955e09fbc..19921ae5bc 100644
--- a/wp-admin/includes/class-wp-users-list-table.php
+++ b/wp-admin/includes/class-wp-users-list-table.php
@@ -568,7 +568,12 @@ class WP_Users_List_Table extends WP_List_Table {
 						break;
 					case 'name':
 						if ( $user_object->first_name && $user_object->last_name ) {
-							$r .= "$user_object->first_name $user_object->last_name";
+							$r .= sprintf(
+								/* translators: 1: User's first name, 2: Last name. */
+								_x( '%1$s %2$s', 'Display name based on first name and last name' ),
+								$user_object->first_name,
+								$user_object->last_name
+							);
 						} elseif ( $user_object->first_name ) {
 							$r .= $user_object->first_name;
 						} elseif ( $user_object->last_name ) {
diff --git a/wp-includes/author-template.php b/wp-includes/author-template.php
index c71ef7134f..b4ad2906e2 100644
--- a/wp-includes/author-template.php
+++ b/wp-includes/author-template.php
@@ -476,20 +476,12 @@ function wp_list_authors( $args = '' ) {
 		}
 
 		if ( $args['show_fullname'] && $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 );
-
+			$name = sprintf(
+				/* translators: 1: User's first name, 2: Last name. */
+				_x( '%1$s %2$s', 'Display name based on first name and last name' ),
+				$author->first_name,
+				$author->last_name
+			);
 		} else {
 			$name = $author->display_name;
 		}
diff --git a/wp-includes/user.php b/wp-includes/user.php
index 1e976f182e..3c0f917bbc 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -827,7 +827,12 @@ function wp_list_users( $args = array() ) {
 		}
 
 		if ( $args['show_fullname'] && '' !== $user->first_name && '' !== $user->last_name ) {
-			$name = "$user->first_name $user->last_name";
+			$name = sprintf(
+				/* translators: 1: User's first name, 2: Last name. */
+				_x( '%1$s %2$s', 'Display name based on first name and last name' ),
+				$user->first_name,
+				$user->last_name
+			);
 		} else {
 			$name = $user->display_name;
 		}
@@ -2242,8 +2247,12 @@ function wp_insert_user( $userdata ) {
 		if ( $update ) {
 			$display_name = $user_login;
 		} elseif ( $meta['first_name'] && $meta['last_name'] ) {
-			/* translators: 1: User's first name, 2: Last name. */
-			$display_name = sprintf( _x( '%1$s %2$s', 'Display name based on first name and last name' ), $meta['first_name'], $meta['last_name'] );
+			$display_name = sprintf(
+				/* translators: 1: User's first name, 2: Last name. */
+				_x( '%1$s %2$s', 'Display name based on first name and last name' ),
+				$meta['first_name'],
+				$meta['last_name']
+			);
 		} elseif ( $meta['first_name'] ) {
 			$display_name = $meta['first_name'];
 		} elseif ( $meta['last_name'] ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 868439c597..7c57affcb2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53500';
+$wp_version = '6.1-alpha-53501';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.