Don Barclay (nacido como Donn Van Tassel Barclay, 26 de diciembre de 1892 - 16 de octubre de 1975) fue un actor, artista y caricaturista estadounidense whose many roles spanned the period from the Keystone Cops in 1915 to Mary Poppins in 1964 and whose many paintings and caricatures of celebrities filled establishments worldwide and are archived in the Library of Congress.