Last name ชู้ (Chu 
, Adulnan 
, ชู้) , in the world, is a widespread surname. The surname ชู้ is characteristic of Hong Kong, where it is a widespread surname, Macao, and Bermuda, where it is a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in China, Hong Kong, and Malaysia. Very seldom, ชู้ is the forename as well as the last name.