Family name Jilich (Jilich 
) , across the world, is a very rare cognomen. The cognomen Jilich is habitual in Czechia, where it is a rare surname, Australia, and Belarus, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jilich | Czechia, Belarus, Australia, United States, Canada |
| david jilich (b. 1979) |
|