The Hon. Ralph Heneage Dutton (5 August 1821 – 8 October 1892), was a British Conservative politician.
Dutton was the third and youngest son of John Dutton, 2nd Baron Sherborne, by his marriage to the Hon. Mary Legge, only child and heiress of Henry Bilson-Legge, 2nd Baron Stawell.
Dutton was elected Member of Parliament for Hampshire South in 1857, a seat he held until 1865, and then represented Cirencester until 1868.
Dutton married Isabella, daughter of John Mansfield, in 1848. He died in October 1892, aged 71.