Roger Boyle, 1st Earl of Orrery (25 April 1621 – 16 October 1679) was a soldier, dramatist and politician from the British Isles who sat in the House of Commons of England at various times between 1654 and 1679. Boyle fought in the Irish Confederate Wars (part of the Wars of the Three Kingdoms) and subsequently became known for his antagonism towards Irish Catholics and their political aspirations. He was a noted playwright and writer on 17th century warfare.