Last name 上平 (Shangping 
, 上平 , Uehira 
) , in the world, is a rare cognomen. The last name 上平 is characteristic of Singapore, where it is a very rare surname, Colombia, and China. Measured by absolute frequency, it is the most numerous in China, Colombia, and the United States. More frequently, 上平 is the forename as well as the last name.