Worldwide, Sisai (Sisai 
, สีใส ) is a rare largely male, but uncommonly female given name. The given name Sisai is characteristic of Israel, where it is quite a rare predominantly masculine, but very infrequently female name, Ethiopia, where it is a rare male name, and Thailand, where it is a rare largely female, but uncommonly boy's name. More frequently, Sisai is the last name as well as the forename.