Lady Isabella may refer to:
People Lady Isabella Hervey (b. 1982), British socialite and actress Lady Isabel Manners (1918–2008), British socialite Isabel Neville, Duchess of Clarence (1451–1476) Isabella of Gloucester and Hertford (1226–1264) Isabella FitzRoy, Duchess of Grafton (1668–1723) Isabella of Ibelin, Queen of Cyprus (1252–1282), Crusader noble in the city of Beirut
Other uses Lady Isabel, 19th-century English child ballad Laxey Wheel, nicknamed Lady Isabella, a large waterwheel on the Isle of Man Lady Isabella, Sheriff of Nottingham, fictional character in the 2006 TV series Robin Hood