Throughout the world, Сомчай (Somchai 
, Сомчай 
) is quite a rare primarily masculine, but scarcely feminine forename. The first name Сомчай is habitual in Thailand, where it is quite a rare primarily masculine, but scarcely female name, Singapore, where it is a rare masculine name, and Australia, where it is a very rare masculine name. Measured by absolute frequency, it is commonest in Thailand, China, and the United States. Very seldom, Сомчай is the last name as well as the forename.