Sir David Rowat Barclay and Sir Frederick Hugh Barclay (both born 27 October 1934), commonly referred to as the "Barclay Brothers" or "Barclay Twins", are British businessmen.
Sir David Rowat Barclay ja Sir Frederick Hugh Barclay (mõlemad sündinud 27. oktoobril 1934 Hammersmithis), tuntud ka kui "Barclay Brothers" ehk "Vennad Barclayd", on inglise ärimehed.