Lady Diana Beauclerk

Not to be confused with Diana Beauclerk, Duchess of St Albans; Diana de Vere Beauclerk; or Diana, Princess of Wales.

Portrait of Lady Diana Beauclerk by Joshua Reynolds, 1763–1765

Lady Diana Beauclerk (née Lady Diana Spencer; other married name Diana St John, Viscountess Bolingbroke; 24 March 1734 – 1 August 1808) was an English noblewoman and celebrated artist.