Ivanović, Ivanovych or Ivanovich is a surname, a patronymic derived from Ivan. It is a Slavic equivalent of Johnson. It is a common surname in Bosnia and Herzegovina, Croatia, Montenegro, and Serbia. It may refer to the following notable people:
- Ana Ivanovic, Serbian tennis player
- Andrei Ivanovitch, Romanian pianist
- Cristoforo Ivanovich (1620–1689), music historian, poet, librettist
- Božidar Ivanović, Montenegrin chess grandmaster and politician
- Božina Ivanović (1931–2002), Montenegrin anthropologist and politician
- Branislav Ivanović, Serbian footballer
- Cristoforo Ivanovich (1620–1689), Venetian music historian, poet, librettist
- Dmitry Ivanovich (disambiguation), several people
- Đorđe Ivanović, Serbian footballer
- Duško Ivanović,, Montenegrin basketball player and coach
- Feodor I of Russia commonly known in Russian as Tsar Fyodor Ivanovich or, in Byzantine tradition, Tsar Feodor Ioannovich
- Franjo Ivanović, Croatian footballer
- Ivan Rikard Ivanović, Croatian politician
- Ivan Ivanovich, several uses based on its being the Russian equivalent of 'John Doe'
- Josef Ivanović, former German football player and coach
- Marin Ivanović, Croatian rapper better known by his stage name Stoka
- Mihailo Ivanović (disambiguation), several people
- Milan Ivanović, Serbian-born Australian footballer
- Nemanja Ivanović, Serbian footballer
- Oliver Ivanović (1953–2018), Kosovo Serb politician
- Saša Ivanović, Montenegrin footballer
- Tina Ivanović,, Serbian singer and model
- Vane Ivanović (1913–1999), Yugoslav diplomat, athlete and philanthropist
- Vasily Ivanovich (disambiguation), several people
- Velimir Ivanović, Serbian footballer