Cognomen Kreng (Krang 
, Kreng 
, เกรง ) , in the entire world, is a rare last name. The cognomen Kreng is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname, Myanmar, and Malaysia. In absolute terms, it is the most numerous in India, Indonesia, and the United States. Also, Kreng is the forename as well as the last name.