The 2001 Irish Masters (officially the 2001 Citywest Irish Masters) was a professional invitational snooker tournament which was held at the Citywest Hotel in Saggart, Dublin, from 27 March to 1 April. It was the 24th Irish Masters and the fifth and final World Professional Billiards and Snooker Association invitational event in the 2000–01 snooker season. The tournament was co-sponsored by the Health Promotion Unit and the Office of Tobacco Control of the Department of Health and Children and hotel group Citywest.