Ivan Ivanišević (Serbian Cyrillic: Иван Иванишевић; born 23 November 1977) is a Serbian chess player and chess grandmaster. He won the Serbian Chess Championship in 2008, 2009, 2011 and 2012. He participated in seven Chess Olympiads to date, representing FR Yugoslavia (1998, 2000 and 2002) and Serbia (2008, 2010, 2012 and 2014), three times on the first board.
Ivanišević took part in the Chess World Cup 2011, where he was eliminated in the first round by Alexander Onischuk. In the same year he won the 3rd Balkan Individual Chess Championship in Podgorica. In 2014 Ivanišević won the Chigorin Memorial in Saint Petersburg.