John Rankin Rathbone (5 February 1910 – 10 December 1940) was a British Conservative Party politician. A Flight Lieutenant and fighter pilot with the Royal Air Force, he was killed shortly after the Battle of Britain. From the 1935 general election until his death, he was Member of Parliament (MP) for the Bodmin constituency in Cornwall. After his death, his American-born wife Beatrice was elected unopposed to succeed him as MP. His son, also called John Rankin Rathbone, but known as Tim Rathbone, was the Conservative MP for Lewes from 1974 to 1997.