Patrick Boyle, Lord Shewalton (1690–1761) was a Scottish judge who served as a Senator of the College of Justice.
He was born in 1690 the second son of David Boyle, 1st Earl of Glasgow and his wife Margaret Lindsay Crawford sister of John Crawford, Viscount Garnock.
David Boyle was also known as Lord Boyleof Kelburn and was Treasurer Depute to Queen Anne and a member of the Privy Council.
Patrick's elder brother was John Boyle, 2nd Earl of Glasgow.
In 1715 his uncle William Boyle bought the Shewalton House and estate on the Ayrshire coast, and on his death Patrick inherited the estate.