Captain John Allen, 1st Viscount Allen PC (Ire) (13 February 1661 – 8 November 1726) was an Irish peer and politician.
He was the son of Sir Joshua Allen.
In 1691 he was appointed High Sheriff of County Dublin and then represented Dublin County as an MP three times, from 1692 to 1693, from 1703 to 1713 and from 1715 to 1717. Allen sat also as Member of Parliament (MP) for Carlow County between 1795 and 1703 and then for Wicklow County between 1713 and 1715. On 28 August 1717, he was created Baron Allen, of Stillorgan, in County Dublin, and Viscount Allen in County Kildare.
He married Mary FitzGerald, daughter of Hon. Robert FitzGerald, son of George FitzGerald, 16th Earl of Kildare and Lady Jane Boyle, on 23 July 1684. They had two children.
| Parliament of Ireland | ||
|---|---|---|
| Preceded by Patriot Parliament |
Member of Parliament for Dublin County 1692 – 1695 With: Chambre Brabazon |
Succeeded by Robert Molesworth Edward Deane |
| Preceded by Sir Thomas Butler, 3rd Bt John Trench |
Member of Parliament for Carlow County 1695 – 1703 With: Sir Thomas Butler, 3rd Bt |
Succeeded by Sir Thomas Butler, 3rd Bt Pierce Butler |
| Preceded by Robert Molesworth Edward Deane |
Member of Parliament for Dublin County 1703 – 1713 With: Joseph Deane |
Succeeded by Chaworth Brabazon, Lord Brabazon Joseph Deane |
| Preceded by William Whitshed Richard Edwards |
Member of Parliament for Wicklow County 1713 – 1715 With: William Whitshed |
Succeeded by Henry Percy Robert Allen |
| Preceded by Chaworth Brabazon, Lord Brabazon Joseph Deane |
Member of Parliament for Dublin County 1715 – 1717 With: Hon. Edward Brabazon |
Succeeded by Hon. Edward Brabazon William Domvile |
| Peerage of Ireland | ||
| New creation | Viscount Allen 1717 – 1726 |
Succeeded by Joshua Allen |