Niccolò d'Este may refer to:
Niccolò I d'Este, Marquis of Ferrara (died 1344), see Duke of Ferrara and of Modena Niccolò II d'Este, Marquis of Ferrara (1338–1388) Niccolò III d'Este, Marquis of Ferrara (1383–1441) Niccolò d'Este (1438–1476), also called Niccolò di Leonello, grandson of Niccolò III and son of Leonello d'Este, Marquis of Ferrara
See also
House of Este Niccolò (name) Este (disambiguation)