List of British super-middleweight boxing champions is a table showing the boxers who have won the British super-middleweight title, which has been sanctioned by the British Boxing Board of Control (BBBoC) since 1989. A champion will often voluntarily relinquish the title in order to fight for a higher-ranked championship, such as the world or European. Where the date on which a champion relinquished the title is unclear, the date of the last BBBoC sanctioned fight is shown. r – Champion relinquished title.s – Champion stripped of title.