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