Sir Robert Vaughan, 2nd Baronet

Sir Robert Williames Vaughan, 2nd Baronet (29 March 1768 – 1843) was a Welsh landowner and Member of Parliament.
He was the eldest son of Sir Robert Howell Vaughan, 1st Baronet, of Hengwrt, Merionethshire and educated at Jesus College, Oxford (1787). He succeeded his father on 13 October 1792, inheriting the 12,000 acre Nannau estate and the Hengwrt estate.
He was elected MP for Merioneth in 1792, holding the seat continuously through 14 Parliaments until 1836. He was appointed High Sheriff of Merionethshire for 1837–38.
He died in 1843. He had married Anna Maria, the daughter of Sir Roger Mostyn, 5th Baronet, of Mostyn, Flintshire and Gloddaeth, Caernarvonshire. He left his estates at Nannau, Hengwrt, Meillionydd and Ystumcolwyn to his son, the last time they would be in the common ownership of one person.