Milojko Lešjanin (Serbian Cyrillic: Милојко Лешјанин; Lešje, 15 February 1830 – Belgrade, 15 February 1896) was a Serbian military officer and politician. He served as Minister of Army and Chief of the Serbian General Staff for several times in the 1870s and 1880s. As corps and army commander he took part in the wars with Ottoman Turks and Bulgarians in 1876–1885. He led the Serbian troops at the conquest of Niš in 1877 (together with Jovan Belimarković) and at the blockade of Vidin in 1885. He also served as Chief of the Military Academy of Serbia for several times in the 1860s and 1880s.