Cognomen Asaw (Nzau 
, Asaw 
, เลื่อย) , around the world, is a common last name. The cognomen Asaw is habitual in Sub-Saharan Africa, particularly Kenya, where it is quite a common surname, Angola, where it is quite a rare surname, and the Democratic Republic of the Congo. Much less frequently, Asaw is the forename as well as the last name.