Sir Allan Smith KBE MP (19 May 1871 – 21 February 1941) was a British Conservative Party politician. He was the MP for Croydon South 1919–1923.
Smith was born in Glasgow, the second of eight children. Educated at Glasgow University, he qualified as a solicitor, and during the First World War, successfully negotiated labour with trade unions to successfully meet munitions supply.
He was made a Knight Commander of the Order of the British Empire in the 1918 Birthday Honours.