Last name 洛安 (Loann 
, 洛安 
) , across the world, is a rare surname. The surname 洛安 is characteristic of France, where it is a very rare surname, Nicaragua, and Vietnam, where it is an extremely rare surname. In absolute terms, this name is the most popular in China, France, and Vietnam. More prevalently, 洛安 is the forename as well as the last name.