Carol Thatcher (born 15 August 1953) is a British journalist, author, and media personality. She was born in Hammersmith, west London. She has a twin brother, Mark Thatcher. She is the daughter of former British Prime Minister Margaret Thatcher (1925-2013) and her husband Sir Denis Thatcher (1915-2003). She has taken part in several television programmes including The One Show on BBC1 and I'm a Celebrity...Get Me Out of Here! (in Australia).