Sancho Sánchez may refer to:
Sancho II Sánchez of Gascony (died ), duke Sancho III Mitarra of Gascony (died ), duke, possibly son of previous Sancho V Sánchez of Gascony (died ), duke Sancho Sánchez (died ), a Navarrese magnate Sancho VII of Navarre (died 1234), king