Sir Henry de Sandwich was Lord Warden of the Cinque Ports during the 13th century.
He was a son of Simon de Sandwich of Preston in Kent, where Henry was born, and also held the post of Constable of Dover Castle.
He married Joan d'Auberville. Their daughter Juliana de Sandwich was born in 1245 and resided at Preston in Kent (died 1327); she married William de Leybourne (Leyburn), Lord Leyburn, (1242–1309).