Last name 吉威 (Jiwei 
, 吉威 ) , throughout the world, is a rare cognomen. The last name 吉威 is characteristic of Singapore, where it is a rare surname, Malaysia, where it is a very rare surname, and China. Measured by absolute frequency, it is commonest in China, Malaysia, and Spain. Much more prevalently, 吉威 is the forename as well as the last name.