Graham Duxbury (born 1 December 1954) is a South African racing driver, business man, and motorsport commentator. Duxbury won the South African National Drivers Championship in 1982 engineered by Ken Howes driving initially a March 78B before taking delivery of a ground effect March 822. He won the Daytona 24 Hours in 1984 driving for Kreepy Krauly Racing, an all-South African team in a March 83G-Porsche again engineered by Howes. He shared the win with Sarel van der Merwe and Tony Martin.
He is the Chief Executive Officer of Duxbury Networking, a South African-based Specialist Networking Distributor.