Richard Trench (1710–1768)[1] was an Irish politician and the ancestor of the Earls of Clancarty.
[2] Trench represented Banagher in the Irish House of Commons from 1735 to 1671.
[3] Subsequently, he sat for County Galway, the same constituency his father had represented before, until his death in 1768.
[2] His third and eldest surviving son William was raised to the Peerage of Ireland.
[4] In 1757 he applied for and received letters patent for the right to hold annual fairs in Ballinasloe on 17 May and 13 July.