Cognomen Oyanga (Oyanga 
) , across the world, is a rare surname. The cognomen Oyanga is characteristic of Sub-Saharan Africa, particularly Kenya, where it is a rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Oyanga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oyanga | United States, Kenya, Nigeria |
| joseph oyanga Ugandan Roman Catholic priest (1936–2018), UG (b. 1936) |
|