Margaret "Meg" Elizabeth Stone (née Ritchie, born 6 July 1952) is a retired Scottish discus thrower and Shot putter. She reached the Olympic finals at discus in Moscow 1980 (9th) and Los Angeles 1984 (5th). She also won the 1982 Commonwealth Games title. Her discus best of 67.48 metres has stood as the British record since 1981, while her shot put best of 18.99 metres has stood as the Scottish record since 1983.