Surname Warteng (Warteng 
) , in all the world, is a rare family name. The cognomen Warteng is habitual in Ghana, where it is a rare surname, Spain, where it is a very rare surname, and Germany, where it is an extremely rare surname. In absolute terms, it is the most numerous in Ghana, China, and Spain. Much less frequently, Warteng is the forename as well as the last name.