John Mason Good (25 May 1764 – 2 January 1827), English writer on medical, religious and classical subjects, was born at Epping, Essex. John Good's parents were the Nonconformist minister Revd Peter Good and Sarah Good, the daughter of another Nonconformist minister, Revd Henry Peyto of Great Coggeshall. John Mason Good was named after the Puritan clergyman and hymn writer John Mason (1645-1694), of whom his mother Sarah was a descendant.