Robert de Juilly or Robert de Juliac (died 29 July 1377) was the Grand Master of the Knights Hospitaller from 1374 to his death. He was succeeded by Juan Fernández de Heredia.

• Setton, Kenneth M. (general editor) A History of the Crusades: Volume III – The Fourteenth and Fifteenth Centuries. Harry W. Hazard, editor. University of Wisconsin Press: Madison, 1975.