John Gretton, 1st Baron Gretton, English sailor and politician (died 1947)

John Gretton, 1st Baron Gretton

British politician

John Gretton, 1st Baron Gretton, was a British businessman and Conservative politician. Gretton won two gold medals in the 1900 Olympic Games. He served as a Member of Parliament (MP) for 46 years, representing three midlands-based constituencies in that period.