Family name Ilagi (Ilagi 
) , all around the world, is a rare cognomen. The family name Ilagi is characteristic of Papua New Guinea, where it is quite a rare surname, Argentina, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Ilagi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilagi | Papua New Guinea, Philippines, India, Nigeria, Argentina |