Robert de Clifford, 1st Baron de Clifford, also 1st Lord of Skipton (c. 1274–1314), was an English soldier who became first Lord Warden of the Marches, defending the English border with Scotland. He was born in Clifford Castle, Herefordshire, and was married there in 1295 to Maud de Clare, eldest daughter of Thomas de Clare, Lord of Thomond and Juliana FitzGerald. Robert de Clifford and Maud de Clare had three children.