Surname 준 (俊 
, June 
, 准 , and others...) , across the world, is a widespread last name. The cognomen 준 is habitual in China, where it is quite a common surname, Brunei, and Myanmar. Measured by absolute frequency, this name is the most popular in China, Myanmar, and the United States. More frequently, 준 is the forename as well as the last name.