Carol Costello (born October 11, 1961) is an American news anchor and former host of CNN Newsroom. In 2017, she left CNN to join sister channel HLN, based in Los Angeles.
Costello is a graduate of Minerva High School, a public high school in Minerva, Ohio, and Kent State University where she earned a B.A. in journalism. After attending Kent State University, Costello worked at Akron, Ohio's WAKR-TV as an award-winning police and court reporter. Following that Costello was an Emmy-award-winning anchor/reporter for WSYX, the ABC affiliate, and WBNS 10-TV, the CBS affiliate in Columbus, Ohio. She also worked as the 6 and 11pm news anchor for WBAL-TV in Baltimore between 1992 and 1995.
Costello worked as an anchor at CNN Headline News (now called HLN) and was also the anchor of Good Morning Washington and an investigative reporter at WJLA-TV, the ABC affiliate in Washington, D.C., during the September 11 attacks.