John William Dennis
John William Dennis was a British politician. He was Mayor of Westminster in 1907–08, when he was described as Liberal Unionist. He was a Conservative Party Member of Parliament from 1918 to 1922 for the newly created constituency of Birmingham Deritend.
He was elected in the 1918 general election but only served for a single term being replaced by fellow Conservative Smedley Crooke at 1922 General Election.