Sir Robert Cotton, 3rd Baronet
Sir Robert Salusbury Cotton, 3rd Baronet was an English politician who was Member of Parliament for Cheshire from 1727 to 1734 and for Lostwithiel from 1741 to 1747. He married Elizabeth Tollemache, the daughter of Lionel Tollemache, 3rd Earl of Dysart and his wife Grace Wilbraham. He died without issue and the title passed to his only surviving brother Lynch Salusbury Cotton.