Allan Johansen (born 2 December 1966) is a former motorcycle speedway rider from Denmark. He earned 5 caps for the Denmark national speedway team.
Johansen came to prominence after winning the silver medal at the Danish Under 21 Individual Speedway Championship in 1984. He reached the final of the Under-21 World Championship on two occasions in 1986 and 1987.
He started racing in the British leagues during the 1987 British League season, when riding for the Hackney Kestrels. He broke his leg riding in 1990 and missed two British league seasons before returning for Arena Essex Hammers in 1992.