Minkhaf I was an ancient Egyptian prince of the 4th Dynasty. Minkhaf was a son of Pharaoh Khufu, half-brother of Pharaoh Djedefre and elder brother of Pharaoh Khafra. His mother may have been Queen Henutsen. Minkhaf had a wife and at least one son, but their names are not known.Minkhaf held the titles Eldest king’s son of his body, Chief Justice and Vizier. He served as vizier during his father Khufu's reign.