Asbjørn Sjøthun (20 July 1927 – 28 March 2010) was a Norwegian politician for the Labour Party.
He was born in Balsfjord, and took a one-year agricultural education at Gibostad.
He then worked as a farmer, agronomist and in forestry.
He was a member of Balsfjord municipal council from 1955 to 1971, serving as mayor from 1962 to 1969.He was elected to the Parliament of Norway from Troms in 1969, and was re-elected on four occasions, his last term ending in 1989.
He had previously served as a deputy representative during the terms 1961–1965 and 1965–1969.
He was a member of the Standing Committee on Agriculture for all his five terms, serving two terms as secretary and one term (his last term) as leader.
He was also a member of the Enlarged Committee on Foreign Affairs and Defence for three terms and the Election Committee for three terms.He was also a member and deputy chair of the supervisory council of the Norwegian Forest Owners Association between 1992 and 1995.
He also held positions in the local sports club Nordkjosbotn IL.