Cognomen Flegr (Flegr 
) , in the entire world, is a rare surname. The last name Flegr is habitual in Czechia, where it is quite a rare surname, Germany, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Flegr | Brazil, Czechia, Germany, United States |
|
jaroslav flegr Czech evolutionary biologist, CZ (b. 1958) |
|
| karel flegr (b. 1908) |
|
|
| rudolf flegr Canoe slalom racer |
|