List of British light-heavyweight boxing champions is a table showing the boxers who have won the British light-heavyweight title. The title has been sanctioned by the National Sporting Club since 1891, and later by its replacement British Boxing Board of Control since 1929.
A champion may retire or voluntarily relinquish the title in order to fight for a higher-ranked championship. Where the date on which a champion relinquished the title is unclear, the date of the last BBBoC sanctioned fight is shown.
<sup>r</sup>–Champion relinquished title.
<sup>s</sup>–Champion stripped of title.