Ottar Grønvik

Ottar Nicolai Grønvik (21 October 1916 – 15 May 2008) was a Norwegian philologist and runologist.

He was a lecturer from 1959 and associate professor from 1965 to 1986 at the University of Oslo. His doctoral thesis, which earned him the dr.philos. degree in 1981, was Runene på Tunesteinen. He was best known for his work on the runic alphabet and various runestones, especially the Tune Runestone, the Rök runestone and the Eggjum stone.