Surname Oyieko (Oyieko 
) , throughout the world, is quite a rare last name. The cognomen Oyieko is habitual in Kenya, where it is quite a rare surname, Tanzania, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Oyieko | Tanzania, United States, Kenya |
| isaac oyieko Umpire, KE (b. 1979) |
|