Carol Jean Vorderman (born 24 December 1960) is a Welsh broadcaster, media personality, and writer. Her media career began when she joined the Channel 4 game show Countdown, appearing with Richard Whiteley from 1982 until his death in 2005, and subsequently with Des Lynam and Des O'Connor, before leaving in 2008.

While appearing on Countdown, Vorderman began presenting shows for ITV, including How 2 (1990–1996), Better Homes (1999–2003) and The Pride of Britain Awards (1999–present), as well as guest hosting shows, such as Have I Got News for You (2004–2006) and The Sunday Night Project (2006). She was a presenter on the ITV talk show Loose Women from 2011 until 2014. She has also appeared as a contestant on reality shows, including Strictly Come Dancing (2004), I'm a Celebrity...Get Me Out of Here! (2016) and The Great Celebrity Bake-Off (2020), winning the last. Since 2022, Vorderman has been a news-reviewer for This Morning.

Vorderman was honoured as a Member of the Order of the British Empire (MBE) for services to broadcasting in the Queen's Birthday Honours in June 2000. She has also worked as a newspaper columnist and nominal author of educational and diet books. In 2023, Vorderman began presenting her own show for the talk radio station LBC, but has since stepped down from presenting regularly on the station.