Cognomen Toeng (เต็ง 
, Toeng 
, เติง ) , all over the world, is a rare family name. The last name Toeng is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, Thailand, and Cambodia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Indonesia, Thailand, and Malaysia. Likewise, Toeng is the forename as well as the last name.