Surname Soheng (Soheng 
) , across the world, is a very rare last name. The last name Soheng is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, Cambodia, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Thailand, Cambodia, and India. Also, Soheng is the forename as well as the last name.