Robert Bulkeley, 2nd Viscount Bulkeley

Robert Bulkeley, 2nd Viscount Bulkeley of Cashel (died 18 October 1688) was a British peer and politician.

He was born the second son of Thomas Bulkeley, 1st Viscount Bulkeley of Baron Hill, Beaumaris and inherited the title from his father after his elder brother Richard was murdered. His mother was Blanche Cotymore, daughter of Richard Cotymore.

He was appointed Sheriff of Anglesey for 1658 and elected the Member of Parliament for Anglesey for 1660–1661, Caernarvonshire, 1675–1679, and Anglesey for the second time from 1685 to 1689.

He married Sarah, the daughter of Daniel Hervey of Coombe in Surrey. They had three sons and six daughters. He was succeeded by his eldest son Richard. Of his younger sons, Robert Bulkeley (died 1702), became MP for Beaumaris and Thomas became MP for Caernarvonshire.