>
Surname Yai (Yai , Яи , ไหย่) , in all the world, is a common last name. The family name Yai is characteristic of Myanmar, where it is quite a rare surname, Benin, and Papua New Guinea. Measured by absolute frequency, this name is the most popular in Myanmar, Japan, and India. Likewise, Yai is the forename as well as the last name.