Ralph Grey may refer to:
Ralph Grey, Baron Grey of Naunton (1910–1999), last governor of Northern Ireland Ralph Grey (MP) (1819–1869), British Whig politician Ralph Grey, 2nd Baron Grey of Werke (1630–1675) Ralph Grey, 4th Baron Grey of Werke (died 1706), English peer who served as governor of Barbados
See also Ralph Gray (disambiguation)