Nan P. "Nanny" Britton (November 9, 1896 – March 21, 1991) was
Warren G. Harding's mistress who publicly revealed in 1928 that he had fathered her illegitimate daughter (
Elizabeth Ann Britton Harding Blaesing) shortly before his election as President in 1920. Her revelation was controversial during her lifetime but was confirmed by DNA testing in 2015.