Ingvar Ómarsson (born 13 April 1989) is an Icelandic professional racing cyclist. He is a multiple national champion in road cycling, cross country mountain biking, and cyclocross.

He was the first Icelandic native to become a full-time professional cyclist, he was also the first person to finish a mountain biking World Championship race for Iceland. In 2022 he was the first Icelander to finish a major road race championship in the Elite category, at the European Championships in Munchen. He specializes in cross-country mountain biking, and races both olympic cross-country (XCO) and marathon cross-country (XCM).

Ingvar was voted the Icelandic Cyclist of The Year for eight consecutive years from 2014 to 2021.