Stuart Carl Mason (born 25 June 1953) is an English professional golfer.
Mason was born in Buxton, Derbyshire. He won several amateur tournaments, before turning professional and becoming something of a journeyman on the European Tour. After twenty years of trying he finally won on tour for the first time in 1994. His biggest successes, however, have come after turning 50. Since then he has become the highest career money winner on the European Seniors Tour, picked up 23 tournament victories and headed the Order of Merit three times.
Mason turned professional in 1973, following an outstanding amateur career playing out of Goring and Streatley Golf Club, and was a rookie on the European Tour the following year. He finished in 67th place on the Order of Merit that year and was recipient of the Sir Henry Cotton Rookie of the Year award. He made the top 100 on the European Tour Order of Merit twenty three years in a row up to 1996, with a best ranking of 19th in 1994. In 1980, he finished tied for 4th with Jack Nicklaus in The Open Championship held at Muirfield.