John Lloyd Vaughan Watkins (1802 – 28 September 1865) was a Welsh Liberal politician who sat in the House of Commons in three periods between 1832 and 1865. Watkins was the son of Rev. Thomas Watkins and his wife Susanna Vaughan. His father was rector of Llandyfaelog. Watkins was educated at Harrow and at Christ Church, Oxford. Watkins lived at Penoyre House where he had an Italianate-style villa built by Anthony Salvin between 1846 and 1848. He died at the age of 63.