Sharon Marshall is a British Entertainment journalist (b. September 1967) best known for being the resident "Soap Expert" on ITV1's This Morning since 2003.

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 panellist on Loose Women. She's also made other television appearances on EastEnders Revealed and Big Brother's Big Mouth. She is currently a panelist on the British Soap Awards

Marshall formerly worked on Fleet Street for ten 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 Newspaper. Sharon Marshall is co-author of The Naughty Girl's Guide to Life with her friend Tara Palmer-Tomkinson which was published by Sphere on 20 September 2007.