Siv Nina Anette Holmén (née Wärn; born 29 September 1951, in Esse) is a Finnish former long-distance runner.

Nina Holmén won the first European Championship in women's 3000 meters running in 1974.

Nina Holmén also competed successfully in cross-country running.

She won silver medal in World Cross Country Championships in 1974.

This biographical article relating to Finnish athletics is a stub.