Doon Mackichan (born Sarah Doon Mackichan on 7 August 1962 in Westminster, London) is a British comedian and actress.
She appeared in a number of Chris Morris's British radio comedy programmes, which parodied current affairs programmes these were; On The Hour broadcast on BBC Radio 4 between 1991- 1992, 1994's The Day Today TV adaptation on BBC 2 and in 1997 Brass Eye on Channel 4.
Mackichan's own BBC Radio show, Doon Your Way, was broadcast in 1996
Mackichan played Victoria Lender in 1998's The Borrowers. Also in 1998 she appeared in the BBC TV mini-series of Dickens' novel Our Mutual Friend as Mrs Veneering, social-climber and nouveau-riche who with her equally ambitious husband wears her acquaintances like so much jewelry, to impress others.
Teamed up with her former Smack the Pony co-stars for the 2004 film Gladiatress.
In 2009, she appeared as Jane Thomason, the news producer for the BBC in Taking the Flak. She portrayed Cherie Blair in the Channel 4 satirical drama A Very Social Secretary, appeared in Channel 4 sitcom Nathan Barley as the "preposterous voice" of a thinly-veiled Annie Lennox parody.
Later in 2011 she played the part of Frances in April de Angelis' play 'Jumpy' at the Royal Court Theatre, regularly bringing the house down with her clumsily erotic burlesque solo in Scene Ten.
She has narrated several TV series including The Honey Trap and Bank of Mum and Dad. She has also voiced characters in several animated series including Bob and Margaret, Stressed Eric, Don't Eat the Neighbours and Bromwell High.
She has appearded twice on QI.