Charles Boyle, 4th Earl of Orrery KT PC FRS was an English nobleman, statesman and patron of the sciences.

Roger Boyle, 1st Earl of Orrery, 25 April 1621 to 16 October 1679, was an Anglo-Irish soldier and politician. A younger son of the Earl of Cork, the largest landowner in Munster, like many Irish Protestants he supported the Dublin Castle administration during the Irish Confederate Wars, a related conflict of the Wars of the Three Kingdoms.