Family name Bilja (Bilja 
, Біля 
) , around the globe, is a rare cognomen. The last name Bilja is characteristic of Serbia, where it is quite a rare surname, Albania, and Ukraine, where it is a rare surname. More prevalently, Bilja is the forename as well as the last name.
Na, Radovic, Nikolic, Vukovic, Ostojic, Markovic, Stanculj, Pantelic, Pavlovic, Petrovic, Popovic, Petkovic, Milosevic, Stankovic, Kovacevic, Jovanovic, Todorovic, Trajkovic, Mladenovic, Stevanovic, Mladenović, Rajkovic, Biljana, Aleksic, Glusko, Sila, Jose, Ilic, Maric, Milic, Simic, Rakic, Dinic, Grbic, Tesic, Zebec, Sajith, Stopic, Spajic, Sjeran, Antony, Krstic, Pandza, Djuric, Djukic, Grujic, Antonijevic, and Negovanovic