Sir Robert Dillington, 2nd Baronet (c. 1634 – 25 April 1687) was an English politician who sat in the House of Commons at various times between 1659 and 1685.
Dillington died at the age of 52. He had married twice, firstly Jane, the daughter of John Freke of Cerne Abbey, Dorset with whom he had several children, of whom only 2 sons and 1 daughter survived and secondly Anne, the daughter and coheiress of William Webb, a London grocer and Alderman, with whom he had a further son and 2 daughters. Dillington's three sons, Robert, John, and Tristram, succeeded him in turn to the baronetcy.