John Sandeman Allen was a British Conservative Party politician. He was a Member of Parliament (MP) for Birkenhead West from 1931 to 1945. At the 1945 general election he stood in the previously Conservative-held South Norfolk constituency, but the Labour candidate, Christopher Mayhew, was elected as the constituency's MP.
- Occupation
- politician, underwriter
- Position held
- member of the 37th Parliament of the United Kingdom, member of the 36th Parliament of the United Kingdom
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- May 30, 1892