Poppy Angela Delevingne (born May 3, 1986) is an English socialite, actress and model. Born in London, one of three daughters of property developer Charles Hamar Delevingne and Pandora Anne Delevingne (née Stevens).

She grew up in Belgravia and attended the independent Bedales School. She is the elder sister of retired model and actress Cara Delevingne. Delevingne's maternal grandfather was publishing executive and English Heritage chairman Sir Jocelyn Stevens, the nephew of magazine publisher Sir Edward George Warris Hulton and the grandson of newspaper proprietor Sir Edward Hulton, 1st Baronet.