John de Grey, 2nd Baron Grey of Rotherfield

John de Grey, second Baron Grey of Rotherfield (1319–1375), was the eldest son of the first baron, a founding Knight of the Garter, and Katherine FitzAlan. Born at Rotherfield in Oxfordshire, he succeeded his father in 1359, inheriting lands chiefly in Oxfordshire and Yorkshire, and married Maud de Burghersh, daughter of Bartholomew Burghersh.

His son John died before him. When John died at Rotherfield in June 1375 the barony passed to his grandson Bartholomew.