Worldwide, Oljača (Oljača 
) is an extremely rare unknown gender first name. Much more frequently, Oljača is the last name as well as the forename.
Ana, Branko, Branka, Duško, Dragan, Nikola, Ognjen, Zorana, Milorad, Antonio, Anđela, Radojka, Dragana, Gordana, Goranka, Nataša, Nemanja, Đurđa, Miroslav, Nedeljko, Sandra, Valerija, Mladen, Manuel, Lana, Nada, Vera, Mario, Marko, Momir, Milan, Savan, Boris, Bojan, Petar, Dejan, Dario, Goran, Lazar, Nađa, Ivana, Zoran, Marija, Miloš, and Aleksandar