John Bentley Mays (June 22, 1941 – September 16, 2016) was a Canadian journalist and writer. Best known as an art and architecture columnist for The Globe and Mail, he also published a novel and several non-fiction books. In 1997 he published Power in the Blood, a memoir about exploring his family history after the death of his aunt Vandalia in 1990. The book was shortlisted for that year's Viacom Writers' Trust Prize for Nonfiction. The following year he left The Globe and Mail to become a general arts and culture journalist for the National Post, remaining with that paper until 2001.