Cognomen Fedja (Fedja 
, Федя 
) , in the entire world, is a rare last name. The family name Fedja is habitual in Armenia, where it is quite a rare surname, Bosnia and Herzegovina, and Ukraine, where it is a rare surname. More frequently, Fedja is the forename as well as the last name.
Saric, Zulfic, Zdiara, Miletic, Milosak, Aleksic, Celebic, Borčak, Brkovic, Karalic, Keckman, Pejovic, Delalic, Nikolic, Haueter, Hvastija, Vukovic, Buzancic, Omeragic, Jasarevic, Jovanovic, Filipovic, Hodzic, Blagojevic, Hadzic, Terzic, Sabic, Sehic, Sefic, Pilja, Puzon, Delic, Drndo, Losic, Huric, Vukic, Fejic, Zunic, Zimic, Zdrnja, Mandic, Strkic, Bosnic, Putnik, Rojnik, Ristic, Dzafic, Nanič, and Stepanovich