William Richard Annesley, 3rd Earl Annesley (16 July 1772 – 25 August 1838) was an Anglo-Irish noble and British Member of Parliament.
Lord Annesley was the eldest son of Richard Annesley, 2nd Earl Annesley and Anne Lambert. He was educated at Trinity College, Dublin.[1] He married Lady Isabella St. Lawrence, a daughter of William St. Lawrence, 2nd Earl of Howth on 19 May 1803 and with her had one daughter:
Lord Annesley divorced Lady Isabella St. Lawrence by Act of Parliament in 1821. He then married Priscilla Cecilia Moore on 15 July 1828, with her having six sons:
He was High Sheriff of Down for 1822.