Igor Milanović (Serbian Cyrillic: Игор Милановић; born 18 December 1965) is a Serbian professional water polo head coach and former player. He is considered one of the best water polo players of all time. Milanović had an illustrious professional career spanning twenty years.
In June 2009, Milanović was named the head coach of Partizan Raiffeisen after Dejan Udovičić stepped down. In 2011 as a head coach of Partizan Raiffeisen, he won the Euroleague Championship.