Guthorm Kavli (15 May 1917 – 1 June 1995) was a Norwegian architect and art historian.
Kavli was born in Trondheim, Norway. He received a degree in architecture from the Norwegian Institute of Technology in 1941 and a degree in art history from Uppsala University in 1946. He was awarded an honorary Doctor of Technology degree at the Norwegian Institute of Technology in 1967.
During the Occupation of Norway by Germany during World War II, he joined the Free Norwegian forces in Scotland and later joined the Norwegian High Command in London. Kavli served as an Officer with the Norwegian Army from 1942 to 1945. Kavli was one of the members of the Monuments Men (M.F.A.A.), who sought to protect European art treasures during and after the war. After the liberation of Norway, he worked for the National Museum of Art, Architecture and Design in Oslo from 1950 to 1961. He held the position as administrator at the Royal Palace, Oslo from 1962 to 1987.
His doctoral thesis was Trønderske trepaléer: borgerlig panelarkitektur nordenfjells. Other important works include Norwegian Architecture, Past and Present (1958), Norges festninger: fra Fredriksten til Vardøhus (1987) and 25 år på kongens slott (1992). 
- "Guthorm Kavli". lokalhistoriewiki.no. Retrieved February 1, 2018.
- Bjørn Steenstrup. "Guthorm Kavli". Hvem er Hvem?. Retrieved February 1, 2018.
- "Guthorm Kavli ( 1917-1995 )". Monuments Men Foundation. Retrieved 6 March 2014.
- Henriksen, Petter, ed. (2007). "Guthorm Kavli". Store norske leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 26 December 2010.