| Honorific Prefix: | The Right Honourable |
| The Lord Redmayne | |
| Office1: | Lord Commissioner of the Treasury |
| Primeminister1: | Anthony Eden Harold Macmillan |
| Predecessor1: | Herbert Butcher |
| Successor1: | David Gibson-Watt |
| Term Start1: | 4 July 1953 |
| Term End1: | 14 October 1959 |
| Office: | Government Chief Whip in the House of Commons Parliamentary Secretary to the Treasury |
| Primeminister: | Harold Macmillan Alec Douglas-Home |
| Term Start: | 14 October 1959 |
| Term End: | 16 October 1964 |
| Predecessor: | Edward Heath |
| Successor: | Edward Short |
| Office2: | Member of Parliament for Rushcliffe |
| Term Start2: | 23 February 1950 |
| Term End2: | 10 March 1966 |
| Predecessor2: | Florence Paton |
| Successor2: | Antony Gardner |
| Birth Date: | 16 November 1910 |
| Death Date: | 28 April 1983 (aged 72) |
| Party: | Conservative |
Martin Redmayne, Baron Redmayne, (16 November 1910 - 28 April 1983) was a British Conservative politician.
Redmayne was the second son of civil engineer and farmer, Leonard Redmayne and his wife Mildred and was educated at Radley College. He served in World War II, commanding the 14th Battalion of the Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) in Italy in 1943 and the 66th Infantry Brigade from 1944 to 1945. He was awarded the DSO in February 1945, Mentioned in Despatches on 11 January 1945 and made an Honorary Brigadier in 1945.
In 1950, Redmayne entered the Commons as Conservative MP for Rushcliffe. He was a Government Whip a year later, a Lord Commissioner of the Treasury from 1953 to 1959, Deputy Chief Whip from 1955 to 1959 and Parliamentary Secretary to the Treasury and Government Chief Whip from 1959 to 1964. He was the Chief Whip during the Profumo affair. Admitted to the Privy Council in 1959, he was made a baronet on 29 December 1964 and after leaving the Commons, was created a life peer as Baron Redmayne, of Rushcliffe in the County of Nottinghamshire on 10 June 1966. Lord Redmayne died in 1983, aged 72. His baronetcy was inherited by his eldest son, Nicholas.
| Escutcheon: | Gules two chevronels between three cushions Ermine tasseled Or a bordure engrailed Argent. |
| Crest: | In front of a cushion as in the arms fesswise a horse's head Argent maned Gules. |
| Supporters: | Dexter a Herdwick ram Proper poll Gules, sinister a lion Or maned Gules. |
| Motto: | Without Blood No Victory [1] |