Rune Høydahl (born 10 December 1969) is a Norwegian former mountain biker.

He won 11 UCI World Cup races, and three times came second overall.

Besides John Tomac, Hoydahl is the only mountain biker with World Cup victories in both downhill and cross country.

In 1995 Høydahl won five World Cup races in a row.

This biographical article relating to Norwegian cycling is a stub.