Kosanović (Serbian Cyrillic: Косановић, pronounced [kosǎːnoʋitɕ]) is originally a Montenegrin family name. Many Serbs and Croats have this surname. It may refer to the following notable people:
- Marica Kosanović (Tesla) (born 1858)
- Sava Kosanović (Tesla) (born 1894), politician
- Milan Kosanović (born 1933), rugby player
- Milorad Kosanović (born 1951), football player and manager
- Miloš Kosanović (born 1990), footballer
- Zoran Kosanović (1956–1998), table tennis player