Family name 西安 (Xian 
, Sian 
, 西安 ) , across the world, is a widespread last name. The last name 西安 is characteristic of Malaysia, where it is a common surname, Guatemala, where it is quite a common surname, and Singapore (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, Malaysia, and Guatemala. Also, 西安 is the forename as well as the last name.