Last name Tsuen (Tsuen 
) , around the world, is a rare family name. The last name Tsuen is habitual in Hong Kong, where it is quite a rare surname, Japan, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Eastern Asia, particularly Japan, Hong Kong, and China. Likewise, Tsuen is the forename as well as the last name.