Hugh Montgomery, 2nd Viscount Montgomery of the Ards, (1597–1642) was an Irish aristocrat who supported the Royalist cause in the Wars of the Three Kingdoms.
Montgomery was born in 1597 son of Hugh Montgomery, 1st Viscount Montgomery of the Ards, Ireland, and Jane, eldest daughter of William Alexander, 1st Earl of Stirling, Secretary of State for Scotland. Montgomery was a colonel in the Royalist army during the Irish Rebellion of 1641. He died on 15 November 1642.
Montgomery married Jean Alexander (d. autumn 1670), who survived him and remarried to Major-General Robert Monro. By his wife he had four children: