Family name Wamanya (Wamanya 
) , around the globe, is a rare cognomen. The cognomen Wamanya is characteristic of Sub-Saharan Africa, particularly Kenya, where it is a rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Wamanya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wamanya | Nigeria, Kenya |