Throughout the world, Jezek (Jezek 
, Ježek 
) is a very rare masculine forename. The first name Jezek is habitual in Eastern Europe, particularly Czechia, where it is a rare boy's name. Much more frequently, Jezek is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jezek | Czechia, Austria, Slovakia, United States, Germany |
| Ježek | Czechia, Slovakia, United States, Germany, Croatia |