Family name Udoaka (Udoaka 
) , worldwide, is quite a rare last name. The surname Udoaka is characteristic of Nigeria, where it is a rare surname, South Africa, where it is an extremely rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in Nigeria, the United States, and South Africa. Also, Udoaka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Udoaka | United States, United Kingdom, South Africa, Nigeria |