Sharon Marshall (born 21 September 1971) is a British entertainment journalist best known for being the resident "Soap Expert" since 2003 on ITV's This Morning.
On 21 September 2010, she married Bruce Davidson and is now also known as Sharon Davidson.
In 2006, Marshall appeared as a contestant on ITV's Celebrity Fit Club and Five's, Trust Me – I'm a Beauty Therapist. She is also recognisable from appearances as talking heads in many celebrity-based documentaries and as a guest panellist on Loose Women in 2007. She has made other television appearances on EastEnders Revealed, Big Brother's Big Mouth and the British Soap Awards.
Marshall worked on Fleet Street for 10 years and was the TV editor of the News of the World. She used to contribute a weekly column No Sex in the City to The Sun. Marshall is co-author of The Naughty Girl's Guide to Life with Tara Palmer-Tomkinson, which was published by Sphere on 20 September 2007. She has also written episodes for soaps EastEnders and Emmerdale on occasions. As of June 2013, she has written seven episodes of EastEnders, one of which featured the return of Sharon Watts. In 2010 Sharon released her book "Tabloid Girl", memoirs of her 10 years as a tabloid reporter.