John Sandeman Allen (Liverpool West Derby MP)

For the Birkenhead West MP, see John Sandeman Allen (1892–1949).
For other people named John Allen, see John Allen (disambiguation).

Sir John Sandeman Allen in 1926

Sir John Sandeman Allen (26 September 1865 – 3 June 1935) was a British Conservative Party politician. He was a Member of Parliament (MP) for Liverpool West Derby from 1924 until he died in office in 1935.