All over the world, Sumay (สุเมธ 
, Sumar 
, Sumay 
) is a common mostly boy's, but seldom girly first name. The given name Sumay is characteristic of Thailand, where it is quite a common principally masculine, but very infrequently girly name, India, where it is quite a rare unisex name, and Indonesia, where it is quite a rare largely male, but infrequently feminine name. Also, Sumay is the last name as well as the forename.