Francis Boyle, 1st Viscount Shannon (1623–1699) was a Privy Counsellor of Ireland and held the office of Governor of County Cork.
He was the sixth son of Richard Boyle, 1st Earl of Cork by his second wife, Catherine Fenton.
For his military services in support of King Charles II he was created Viscount Shannon in 1660.
Subsequently, Elizabeth Killigrew had a daughter by Charles II, Charlotte Jemima FitzRoy (c.1650–1684).
The Viscount died in 1699 and was buried 19 April 1699 at St Mary's Collegiate Church, Youghal, Cork.