Cognomen 洛捷 (Lautier 
, 洛捷) , throughout the world, is quite a rare family name. The last name 洛捷 is characteristic of Malta, where it is quite a common surname, France, where it is quite a rare surname, and Australia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in France, Malta, and the United States. Very seldom, 洛捷 is the forename as well as the last name.