Olav Gurvin (24 December 1893 Tysnes – 31 October 1974) was a Norwegian musicologist, a professor at the University of Oslo from 1957.

[2] During the occupation of Norway by Nazi Germany he was a member of the resistance movement, and from 1943 he represented musicians in the Coordination Committee's subgroup for culture.

[4] He edited the magazine Norsk Musikkliv from 1942 to 1951, and was a music critic for the newspaper Verdens Gang from 1945 to 1958.

Together with Øyvind Anker he also co-edited the first Norwegian music encyclopedia, titled Musikkleksikon and published in 1949.

[2] His ethnomusicological studies in the 1950s resulted in the development of an electroacoustical apparatus for melody analysis.