Stuart Elwell (born 14 December 1977) is a professional boxer from Darlaston in the Black Country, England.
His professional boxing career was put on hold between 2001 and 2005 when he served several years as a Royal Marine.
On 23 March 2007, he fought John O'Donnell for the vacant English Welterweight title, a fight featured on Sky Sports 1.
After a winding blow to the stomach resulting in a standing eight count, Elwell lost to a technical knockout in the second round.
On 30 January 2009, Elwell fought Kell Brook at the York Hall in Bethnal Green, England for the British Welterweight title, a fight featured on Sky Sports 1.