Cognomen Pewa (Pewa 
) , in the world, is a rare family name. The cognomen Pewa is characteristic of Sub-Saharan Africa, particularly Namibia, where it is quite a rare surname, Sierra Leone, and South Africa, where it is a rare surname. Measured by absolute frequency, the name is most common in South Africa, Namibia, and Indonesia. More prevalently, Pewa is the forename as well as the last name.