Cognomen Ilper (Ilper 
) , around the world, is a rare surname. The cognomen Ilper is habitual in Western Europe, particularly Germany, where it is a rare surname. Very seldom, Ilper is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilper | Germany, Peru, Philippines |
| heinz ilper (b. 1891) |
|
|
| jörn ilper German handball coach and handball player, DE (b. 1974) |
|