David Owen Nosworthy (born 25 December 1967) is a South African former cricketer. A right-handed batsman and occasional right-arm medium and off break bowler, he enjoyed modest success as a player playing 29 first-class matches and 14 list A games, but has made his name as a coach and his portfolio of first-class coaching roles include the South African franchises Highveld Lions and Nashua Titans, in New Zealand with Canterbury and in England with Somerset.