Oskari Frösén (born 24 January 1976 in Kristinestad) is a Finnish high jumper, who won a total of five national titles in the men's high jump event.
He also competed in the 2004 Olympics, but failed to qualify from his pool.
His personal best jump is 2.30 metres (7 ft 6.55 in), achieved in June 2001 in Kuortane.
He has a better indoor mark of 2.31 metres (7 ft 6.94 in) achieved in Tallinn in February 2004.
This biographical article relating to Finnish athletics is a stub.