The Norwegian Cancer Society () is a non-profitmaking organisation in Norway.
It was established as in 1938, and took the current name when it merged with in 1948. Its purpose is to help patients with cancer, increase awareness of cancer and to fund cancer research. The society funds the annual King Olav V's Prize for Cancer Research.
The Secretary general is Ingrid Stenstadvold Ross. The organizational headquarters are in Kongens gate 6 in Oslo.