In the entire world, สุประเสริฐ (สุประเสริฐ 
) is a very rare dominantly masculine, but seldom female forename. The first name สุประเสริฐ is habitual in South-eastern Asia, particularly Thailand, where it is a rare largely male, but uncommonly female name. More prevalently, สุประเสริฐ is the last name as well as the forename.