Cognomen Utii (Utii 
) , across the world, is a rare surname. The last name Utii is habitual in Romania, where it is a rare surname, Indonesia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Utii is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Utii | Romania, Nigeria, Indonesia |