Igor Stefan Kokoškov (born 17 December 1971) is a Serbian professional basketball coach who is currently an assistant coach for the Sacramento Kings of the National Basketball Association (NBA) and the head coach of the Serbia national team.
When he was a full-time assistant coach, Kokoškov is the first European to hold such position in NCAA Division I college basketball, and the first non-American to hold such position in the NBA. In 2004, he became the first non-American assistant coach to win an NBA championship, and the first to serve on an NBA All-Star Game coaching staff. He is also the first coach born and raised outside of North America to be hired as a head coach in the NBA.
He won EuroBasket 2017, while working as the head coach of the senior Slovenian men's national team.