Family name Chemah (Chemah 
) , globally, is a rare surname. The family name Chemah is habitual in Thailand, where it is a rare surname, Israel, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Thailand, the United States, and Malaysia. Very seldom, Chemah is the forename as well as the last name.