Count Marko Ivanovich Voinovich[a][b] (Russian: Ма́рко Ива́нович Во́йнович, Serbian: Марко Ивановић Војновић/Marko Ivanović Vojnović; 1750–1807) was an Admiral of the Russian Imperial Navy, one of the founders of the Black Sea Fleet.

Vojnović was born in Herceg Novi, Republic of Venice (now Montenegro).

[3] In 1783 Vojnović was appointed the commander of the first battleship of the nascent Black Sea Fleet.

[1] He fought in the Black Sea against the Turkish Navy led by Hassan Pasha in 1788.

[4] From the end of 1789 to the beginning 1790 Vojnović was the Chief of the Black Sea Fleet.