Surname Uiba (Uiba 
, Уйба 
) , all around the world, is a rare cognomen. The last name Uiba is habitual in Russia, where it is a very rare surname, Ukraine, and Indonesia. Measured by absolute frequency, the name is most common in Russia, Indonesia, and India. Much less frequently, Uiba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uiba | Russia, India, Indonesia |
| Уйба | Kazakhstan, Russia, Ukraine |