Ivan Bulaja (October 25, 1977, Split, Croatia) is a Croatian sailor and sailing trainer. He competed at the Sydney 2000 Olympics in sailing. He coached Croatian and Austrian sailing teams in five next consecutive Olympic Games (2004, 2008, 2012, 2016, 2020).
Together with Pavle Kostov and Petar Cupać he is a recipient of the Pierre de Coubertin medal. In the 2008 Summer Olympics they lent their boat to Danes Jonas Warrer and Martin Kirketerp whose mast had broken shortly before the start of their race.[1] [2] Warrer and Kirketerp went on to win a gold medal.