Mrkonjić () is a Serbo-Croatian surname. It may refer to:
People Braća Mrkonjić, music duo Milutin Mrkonjić (born 1942), Serbian politician Novak Mrkonjić Petar Mrkonjić (mid-17th century), legendary brigand in Dalmatia Peter I of Serbia (1844–1921), nom de guerre Petar Mrkonjić, King of Serbia Tomislav Mrkonjić (born 1994), Croatian footballer Zvonimir Mrkonjić (born 1938), Croatian writer, poet
Toponyms Mrkonjić Grad, a town and municipality in western Bosnia and Herzegovina
See also
Mrkonjići, a town in southern Bosnia and Herzegovina Mrkonje, a village in southern Serbia