Roscommon (Parliament of Ireland constituency)

Roscommon was a constituency representing the parliamentary borough of Roscommon in the Irish House of Commons from 1611 to 1800. Between 1725 and 1793 Catholics and those married to Catholics could not vote.

Members of Parliament

 * 1613–1615 Maurice Smith and William Marwood
 * 1634–1635 George Carr and Edward Deane
 * 1639–1649 Robert Bysse and Walter Loftus (died 1641)
 * 1661–1666 Oliver Jones and William Somers