| Mitar Martinović | |
| Office: | 2nd Prime Minister of Kingdom of Montenegro |
| Native Name: | Митар Мартиновић |
| Native Name Lang: | sr |
| Predecessor: | Lazar Tomanović |
| Successor: | Janko Vukotić |
| Term End: | 8 May 1913 [1] |
| Term Start: | 19 June 1912 |
| Monarch2: | Nicholas I |
| Predecessor2: | Lazar Tomanović |
| Termstart2: | 19 June 1912 |
| Termend2: | 8 May 1913 [2] |
| Successor2: | Petar Plamenac |
| Office2: | 3rd Minister of Foreign Affairs of Kingdom of Montenegro |
| Primeminister2: | Himself |
| Office3: | 5th Minister of War of Principality of Montenegro |
| Monarch3: | Nicholas I |
| Monarch4: | Nicholas I |
| Office4: | 1st and 5th Minister of War of Kingdom of Montenegro |
| Primeminister3: | Lazar Tomanović |
| Primeminister4: | Lazar Tomanović |
| Termstart4: | 28 August |
| Termend3: | 28 August 1910 |
| Predecessor4: | Himself (as Minister of War of Principality of Montenegro) |
| Successor3: | Himself (as Minister of War of Kingdom of Montenegro) |
| Predecessor3: | Andrija Radović |
| Successor4: | Ivo Đurović |
| Termend4: | 14 September 1910 |
| Termstart3: | 17 April 1907 |
| Birth Date: | 8 September 1870 |
| Birth Place: | Bajice, Cetinje, Principality of Montenegro |
| Death Date: | 11 February 1954 (83 years) |
| Death Place: | Belgrad, Federal People's Republic of Yugoslavia |
| Nationality: | Montenegrin |
| Monarch5: | Nicholas I |
| Primeminister5: | Himself |
| Predecessor5: | Janko Vukotić |
| Successor5: | Janko Vukotić |
| Termstart5: | 19 June 1912 |
| Termend5: | 8 May 1913 [3] |
| Party: | True People's Party |
| Occupation: | Politician and military |
| Branch: | |
| Allegiance: | |
| Rank: | General and divisional general |
| Cabinet: | Government of Mitar Martinović |
| Children: | Olga (daughter) |
| Battles: | First Balkan War Second Balkan War WW1 |
| Awards: | Order of Prince Danilo I Order of the Crown of Italy Legion of Honour Order of Saint Vladimir with swords |
| Serviceyears: | 1907-1921 |
| Office6: | Commander of Lovćen Detachment |
| Termstart6: | 28 August 1910 |
| Termend6: | 20 January 1916 |
| Alongside6: | Luka Gojnić,[4] Janko Vukotić[5] and Radomir Vešović[6] |
| 1Blankname6: | Commander-in-chief |
| 1Namedata6: | Nicholas I |
| 2Namedata6: | Himself Ivo Đurović Marko Đukanović Janko Vukotić Himself Janko Vukotić Mašan Božović Radomir Vešović |
| 2Blankname6: | Ministers of War |
| Office7: | Leader of True People's Party |
| Termstart7: | 1907 |
| Termend7: | 1918 |
| Alongside7: | Jovan Plamenac and Lazar Mijušković |
Mitar Martinović (Serbian: Митар Мартиновић; 8 September 1870 – 11 February 1954) was a Montenegrin vojvoda and divisional general in the Yugoslav Royal Army. He was a short-term Prime Minister of Montenegro from 19 June 1912 to 8 May 1913, being succeeded by Serdar Janko Vukotić.
Martinović was one of the founders of the Royalist True People's Party in 1906. He was Prime Minister of the Kingdom of Montenegro between 1912 and 1913, and a Minister of the Military on two occasions (1907–1910, and 1912–1913).[7] [8]