Surname แซ่ยิ่ง (Saeying 
, แซ่ยิ่ง) , globally, is a rare last name. The last name แซ่ยิ่ง is habitual in Thailand, where it is a rare surname, and China, where it is an extremely rare surname. Very seldom, แซ่ยิ่ง is the forename as well as the last name.