Claire Jane Sweeney (born 17 April 1971) is an English actress, singer, and television personality.

Known for her portrayal of Lindsey Corkhill on Channel 4's Brookside (1991–2003), she also played Roxie Hart in Chicago (West End, 2001–2002) and starred in touring productions of Guys and Dolls (2006), Tell Me on a Sunday (2011), Legally Blonde (2011), and Educating Rita (2012).

In 2001 Sweeney appeared in the first series of Celebrity Big Brother and Lily Savage's Blankety Blank,[3] and presented ITV's Challenge of a Lifetime.

In 2003, Sweeney starred in the world tour of the musical revue Fosse, and featured on the album Give Me a Smile by Carl Davis and the BBC Concert Orchestra.

She also hosted BBC One's Here Comes the Sun[14] In May 2005 she was among the performers who took part in A Party to Remember event commemorating the 60th anniversary of VE Day.

In 2008 she appeared in the ITV documentary Claire Sweeney's Big Fat Diet,[16] in which she gained 2 stone (13 kg) in six weeks as part of a medical experiment.

In 2013 Sweeney appeared in Let's Dance for Comic Relief alongside Natalie Cassidy, Dean Gaffney and Ricky Groves, performing to "You Can't Stop the Beat" from Hairspray.

[20] In May and June 2014 she appeared in the comedy musical Sex and the Suburbs, co-written by Sweeney and Mandy Muden, at the Royal Court Theatre, Liverpool.

[24] She starred as Hayley in the BBC sitcom Scarborough, alongside Jason Manford, Stephanie Cole, and Catherine Tyldesley.

[26] In July 2021, Sweeney performed at G-A-Y alongside drag queen Veronica Green as part of the regular cabaret night “Defying Musicals”.