Ivica Tucak (born 8 February 1970) is a Croatian professional water polo coach and former player who has been the head coach of the Croatia men's national water polo team since 16 September 2012. Winning the gold medal at the 2017 World Championship, silver medals at the 2015 World Championship and 2016 Summer Olympics, and the bronze medal at the 2018 European Championship, he has been the most successful coach of the Croatia national team.