Hanna Kosonen (born 27 February 1976) is a Finnish politician and former ski-orienteering competitor.
She is currently Finland's Minister of Science and Culture.
She became double junior world champion in ski orienteering in 1996.
She won a bronze medal in the long distance at the 2000 World Ski Orienteering Championships, and a gold medal in the relay.
Her best performances in the World Cup in Ski Orienteering were placing fourth overall in 2000, and fifth overall in 2001.
She has been a member of the Finnish Parliament for the Centre Party since 2015, and was appointed Minister of Science and Culture in Antti Rinne's cabinet in 2019.