Cognomen Owenga (Owenga 
) , worldwide, is quite a rare family name. The cognomen Owenga is characteristic of Kenya, where it is quite a rare surname, New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Owenga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Owenga | Tanzania, Kenya, New Zealand, United States, United Kingdom |