John Ernest Irving CM (January 1, 1932 – July 21, 2010) was a Canadian businessman, the youngest son of the industrialist K. C. Irving. Born in New Brunswick, Jack Irving, as he was called, along with his brothers J.K. and Arthur and their three families, share the ownership and operating responsibility for what is known informally as the Irving Group of Companies. Following their father's death in 1992, ownership and responsibility for the Irving companies was divided as follows: