Sandor Martin Clemente (born 22 August 1993) is a Spanish professional boxer who has held the European super-lightweight title since 2019. As of October 2021, he is ranked as the world's sixth-best active super-lightweight by BoxRec,^[3] and eighth by the Transnational Boxing Rankings Board.^[4]

Martin made his professional debut on 8 October 2011, scoring a third-round technical knockout (TKO) victory over Armen Hovsepyan at the Pabellón del Bon Pastor in Barcelona, Spain.^[5]

After compiling a record of 34–2 (12 KOs) he faced Andrea Scarpa for the vacant European super-lightweight title on 27 July 2019 at the Pabellón Francisco Calvo in Barcelona. Martin captured the European title by stoppage via ninth-round corner retirement (RTD). At the time of the stoppage he was ahead on all three judges' scorecards at 90–81.^[6]

Martin went on to defend his title twice before taking on former four-division world champion Mikey Garcia on 16 October 2021 in Fresno, California. Despite being a big underdog, Martin upset the odds by prevailing as the victor by majority decision, with scores of 95–95, and 97–93 twice in his favor.^[7]