Igor Marenić (born 2 January 1986) is a Croatian professional sailor.

A resident of Zadar, where he moved in 2001, Marenić was born in Mali Lošinj, Croatia, and is originally from Cres.

[1][2] He started sailing in his native Cres with JK Reful in 1995, in the Optimist class.

He trained in his native city, and on the day he turned 24, Marenić was awarded by the city of Cres one of its greatest recognitions, Pro Insula, for achievements and contribution of importance for the development of the City of Cres, and especially for the exceptional sports results achieved in sailing.

[1] From 1998 to 2001 he was a member of the Croatian national team, and in 2000 he was fifth at the World Championships.