Across the world, Rumiia (Румия 
, Румииа , Rumiia 
) is a common feminine forename. The given name Rumiia is characteristic of Russia, where it is quite a rare female name, Kazakhstan, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Russia, Kazakhstan, and Uzbekistan. Much less frequently, Rumiia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Румия | Kazakhstan, Uzbekistan, Russia, Kyrgyzstan, Belarus |
| Румииа | Russia |
| Rumiia | Russia, Georgia |