Joy Coghill, O.C., (born 1926) is a Canadian actress, director, and writer.
She and Myra Benson founded Canada's first professional touring children's theatre, Holiday Theatre in 1953. In 1994, Coghill founded Western Gold, a theatre company for senior professional actors in Vancouver. She holds honorary degrees from SFU and UBC. She has been married to Jack Thorne since 1955.
Her best-known work is Song of This Place, a play about the Canadian artist Emily Carr. In addition to her writing, Coghill has made guest appearances on Da Vinci's Inquest as Portia Da Vinci and as the dying human host Saroosh/Selmak on the Stargate SG-1 episode "The Tok'ra, Part 1 & 2".