Joshua Allen, 2nd Viscount Allen

Joshua Allen, 2nd Viscount Allen, LLD (17 September 1685 – 5 December 1742), was an Irish peer and politician.

He was the son of The 1st Viscount Allen, and succeeded to his father's titles on 8 November 1726. Between 1709 and 1727, he represented County Kildare in the Irish House of Commons.