Family name แซ่แต้ (Saetae 
, แซ่แต้, Sae Tae ) , all over the world, is quite a rare surname. The cognomen แซ่แต้ is habitual in Thailand, where it is quite a rare surname, the United States, where it is an extremely rare surname, and China. Much less frequently, แซ่แต้ is the forename as well as the last name.