Sir Peter Edward Trench CBE TD JP (16 June 1918 – 10 September 2006) was a British developer and Liberal Party politician.
He was a son of Lt-Col. James Knights Trench, managing director of the Sandoz Chemical Company Limited and Grace Sim of Bradford.
At the age of 27 he was Liberal candidate for the Bradford Central Division of West Yorkshire at the 1945 General Election, finishing third.
However Trench was opposed to this arrangement and stood against a Conservative candidate.
He openly criticised those Liberal Nationals who aligned themselves with the Conservatives.