Laura Dianti (Early sixteenth century in Ferrara[1] – 25 June 1573 in Ferrara, Italy) was an Italian woman.
She was a lover and possible third wife of Alfonso I d'Este, Duke of Ferrara.
Laura Dianti was born the daughter of Francesco Boccacci Dianti (d. 1542).
She became a mistress of Alfonso I d'Este, Duke of Ferrara (1476-1534) after the death of his second wife, Lucrezia Borgia, daughter of Pope Alexander VI.
Laura was most probably his third wife.