Claire Jane Sweeney 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). She was a panellist on ITV's Loose Women between 2003 and 2005, and presented 60 Minute Makeover from 2004 to 2006.
Her debut album, Claire, reached number 15 on the UK Albums Chart in 2002. Sweeney has portrayed Cassie Plummer on the ITV soap opera Coronation Street since 2023. Her other credits include Candy Cabs (2011), Scarborough (2019), and The Good Ship Murder (2023).
Sweeney has appeared as a contestant on various reality television shows. She was a housemate on the first series of Celebrity Big Brother (2001), competed on the first series of Strictly Come Dancing (2004), and will appear on the sixteenth series of Dancing on Ice (2024).