Surname Bujun (步军 
, 步俊 , Bujun 
) , around the world, is quite a rare last name. The cognomen Bujun is characteristic of Mauritius, where it is quite a rare surname, Ukraine, where it is a rare surname, and Russia. Measured by absolute frequency, this name is the most popular in China, Russia, and Ukraine. More frequently, Bujun is the forename as well as the last name.