Cognomen Îññ (Îññ 
) , in the world, is a rare family name. The cognomen Îññ is habitual in Myanmar, where it is quite a rare surname, and China, where it is an extremely rare surname. Very seldom, Îññ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Îññ | China, Myanmar |