John II Crispo (or Giovanni; d. 1433) was the twelfth Duke of the Archipelago, etc., from 1418 to 1433, son of the tenth Duke Francesco I Crispo and wife Fiorenza I Sanudo, Lady of Milos and brother of Giacomo I and William II.
He married ca. 1420 Nobil Donna Francesca Morosini, Patrizia Veneta (–1455), and had three children: