Globally, ยาย (Yai 
, ยาย 
, Grany 
) is a common epicene forename. The first name ยาย is habitual in Mongolia, where it is quite a rare epicene name, Japan, where it is quite a rare girly name, and Ethiopia, where it is quite a rare dominantly male, but infrequently feminine name. Measured by absolute frequency, the name is most common in Japan, India, and Ethiopia. Likewise, ยาย is the last name as well as the forename.