Sir Wilfrid Lawson, 3rd Baronet of Isell FRS (1697 – 13 July 1737) was a British politician who sat in the House of Commons from 1718 to 1737. Lawson was the son and heir of Sir Wilfrid Lawson, 2nd Baronet, of Isell, Cumbria, and his wife Elizabeth Preston, daughter of George Preston of Holker, Lancashire. He succeeded his father in 1704, inheriting the baronetcy and Isel Hall. He matriculated at Queen's College, Oxford, in 1713, and was admitted to study law at the Inner Temple in 1715.