Catherine "Cathy" Marshall is an American broadcast journalist who has worked as a reporter and anchorperson. She has worked as an anchor for CNN and has also worked with news stations in Boston; New Haven, Connecticut; Seattle; and Portland, Oregon; and as a sideline reporter for Fox Sports Northwest. At the beginning of 2010, Marshall joined the news team of MDiTV, a medical news network also based in Portland, as an anchor. Since December 2011, she has been working as a reporter and anchor at KGW-TV in Portland.