Surname Seng Seng (Seng Seng 
, เส้งเซ่ง, เซ่งเส้ง) , in the world, is a very rare last name. The family name Seng Seng is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. More frequently, Seng Seng is the forename as well as the last name.