Gunnar Tidemand Janson (1 September 1901 – 11 June 1983) was a Norwegian sculptor.

Among his works are sculptures of Hans E. Kinck, Arne Garborg, Tarjei Vesaas, Dagfin Werenskiold and Ingeborg Refling Hagen.

From 1939 a miniature version of his sculpture Spydkasteren (originally from 1927) was used as a statuette awarded for all-round proficiency in sports.

His bronze sculpture Nasjonalmonument for krigens ofre was unveiled at Akershus Fortress in 1970.

[1][2] He was Chairman of the Board of Directors of Oslo House of Artists.