Boško Mitrović (Serbian Cyrillic: Бошко Митровић, fl.

1903–15), known by the nom de guerre Virjanac (Вирјанац) or Virčanac (Вирчанац), was a Serbian Chetnik commander.

He was from Vir, in Poreče, at the time part of the Manastir Vilayet, Ottoman Empire (now Makedonski Brod, R. Macedonia).

[3] During the First World War, he was part of Jovan Babunski's band.

The band left Azot and entered the Klepe mountain region, where they were informed of a Bulgarian band that hid in a mill in Skačinci.