Peter Sainthill

Peter Sainthill may refer to:


 * Peter Sainthill (died 1571) (1524–1571), Member Parliament for Grampound, and for Saltash
 * Peter Sainthill (MP for Tiverton) (1593–1648), Member of Parliament for Tiverton in Devon
 * Peter Sainthill (surgeon) (1698–1775), British 18th century surgeon and Fellow of the Royal Society