Family name Ìl (Ìl 
) , in the entire world, is a rare cognomen. The last name Ìl is habitual in Algeria, where it is a rare surname, Morocco, and China, where it is an extremely rare surname. Very seldom, Ìl is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ìl | China, Algeria, Morocco |