John Allen, 4th Viscount Allen

Captain John Allen, 4th Viscount Allen (b. bef. 1726 – 10 November 1753) was an Irish peer and politician.

He was the son of Hon. Richard A. Allen, and grandson of John Allen, 1st Viscount Allen. Allen sat as Member of Parliament (MP) for Wicklow County from 1742 until 1745, when he succeeded his cousin as Viscount Allen on the latter's death.

Allen never married and on his death his titles passed to his younger brother.

Parliament of Ireland
Preceded by
William Hoey
Robert Allen
Member of Parliament for Wicklow County
with William Hoey

1742–1745
Succeeded by
William Hoey
Anthony Brabazon
Peerage of Ireland
Preceded by
John Allen
Viscount Allen
17451753
Succeeded by
Joshua Allen