Cognomen Феглер (Fegler 
, Феглер 
) , in the entire world, is a rare last name. The surname Феглер is characteristic of Kazakhstan, where it is a rare surname, Sweden, and Germany. Measured by absolute frequency, it is commonest in the United States, Germany, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Fegler | Brazil, Sweden, Germany, United States, Portugal |
| Феглер | Russia, Kazakhstan |
| єжи феглер Polish physiologist, UA (b. 1899) |
|