Vojin Popovic, known as Vojvoda Vuk (Serbian: ????? ???????, ??????? ???; 9 December 1881 – 29 November 1916) was a Serbian voivode (military commander), who fought for the Macedonian Serb Chetniks (i.e.
komiti) in the Struggle for Macedonia, and then the Serbian national army in the Balkan Wars and World War I.