Cognomen Frélich (Frélich 
) , in the entire world, is a very rare surname. The cognomen Frélich is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Frélich | Czechia |
| antonín frélich CZ (b. 1909) |
|
|
| ladislav frélich CZ (b. 1932) |
|