Surname Уулуь (Уулуь 
) , throughout the world, is an extremely rare cognomen. The cognomen Уулуь is habitual in Central Asia, particularly Kyrgyzstan, where it is a very rare surname. Likewise, Уулуь is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Уулуь | Kyrgyzstan |