Power Henry Le Poer Trench (11 May 1841 â 30 April 1899) was a British diplomat.
Trench was the son of William Thomas Le Poer Trench, 3rd Earl of Clancarty and Lady Sarah Juliana Butler.
Trench was Secretary of the British Embassy in Berlin between 1888 and 1893.
In Mexico, he was the Envoy Extraordinary and Minister Plenipotentiary between 1893 and 1894.
He was the British Minister in Tokyo in 1894-1895.
He is buried in the family vault at Highgate Cemetery.