John Stuart Gray (21 August 1941 – 21 October 2007) was a British-Norwegian marine biologist.
He was born in Bolsover, but migrated to Norway. After his PHD degree in 1965, he took the dr.scient. degree in 1976 and became a professor at the University of Oslo. He was a member of the Norwegian Academy of Science and Letters from 1980 and won the Fridtjof Nansen Prize for Outstanding Research in 1998.[1]