Throughout the world, กำไร (Gaina 
, Kamrai 
, Kumrai 
) is quite a common gender-neutral first name. The forename กำไร is habitual in Romania, where it is quite a rare epicene name, the Democratic Republic of the Congo, where it is a rare feminine name, and India, where it is a rare unisex name. Also, กำไร is the last name as well as the forename.