In the entire world, Sethai (Sethai 
, เศรษฐี 
) is a rare largely masculine, but infrequently female given name. The first name Sethai is characteristic of Thailand, where it is a rare primarily masculine, but very seldom girly name, and India, where it is a very rare dominantly boy's, but uncommonly feminine name. Also, Sethai is the last name as well as the forename.