Reidar Andreassen (born 19 December 1932) is a retired Norwegian long distance runner and cross-country skier.
He has received the Egebergs Ærespris, and award for excelling in one sport and showing eminent performance in another different sport.
[4] He was Norwegian champion in the 50 km in 1958 and 1960, and competed at the FIS Nordic World Ski Championships 1958.
[1] Here he finished as the best Norwegian in 20th place in the 50 kilometres race, which stood as the worst performance by the Norwegian team until 2003.
[1] His brother Ivar was also a national champion in athletics and skiing (relay).