Marjanović (Serbian Cyrillic: Марјановић) is a Bosnian, Croatian and Serbian surname, a patronymic derived from the masculine given name Marjan. It's bearers are Serbs, Croats and Bosniaks. It may refer to:
Blagoje "Moša" Marjanović (1907–1984), Serbian football forward
Boban "Bobi" Marjanović (1988–), Serbian professional basketball player
Bogdan Marjanović (1980–), Serbian footballer
Branko Marjanović (1909–1996), Croatian film director and editor
Dragan Marjanović (1954–), retired Bosnian football forward
Iva Marjanović (1939–), Croatian actress
Jovana Marjanović (1983–), Serbian beauty pageant titleholder
Luka Marjanović (1805–1888), Croatian lawyer and ethnographer
Marko Marjanović (1985–), Serbian rower
Milan Marjanović (1879–1955), Croatian writer
Mirko Marjanović (1937–2006), former Prime Minister of Serbia
Mirko Marjanović (1940–), Croatian writer
Rodoljub Marjanović (1988–), Serbian football player
Saša Marjanović (1987–), Serbian footballer
Srđan Marjanović (1952–), Serbian singer-songwriter
Vjera Marjanović-Krajovan (1898–1988), Croatian chemist
Zana Marjanović (born 1983), Bosnian actress