Arne Martin Klausen (19 December 1927 – 15 June 2018) was a Norwegian social anthropologist. Klausen was born in Porsgrunn as a son of Klaus Martinius Klausen and Anna Olsen. He was appointed professor at the University of Oslo from 1973. Among his publications are Kerala Fishermen and the Indo-Norwegian Pilot Project from 1968, on the foreign aid Indo-Norwegian Project, and several studies related to the 1994 Winter Olympics at Lillehammer. He is a member of the Norwegian Academy of Science and Letters.