Gabriel Clemens (born 16 August 1983) is a German professional darts player who plays in Professional Darts Corporation (PDC) events.
In 2017, Clemens made the semi-finals of the World Masters, and missed match darts against the BDO number one Mark McGeeney to reach the final.
In January 2018, he gained a two-year PDC Tour Card. He won the fourth day of European Q-School by defeating the Dutchman Vincent Kamphuis 5–3 in the final. In his first year on the circuit, he reached the final of 2018 PDC Players Championship 11, where he took on two-time world champion Gary Anderson. Clemens missed two match-darts to win the title and lost 5–6.
In December 2020, he became the first German player to reach the round of Last 16 in the PDC World Darts Championship, after beating reigning champion Peter Wright 4–3.
Clemens reached two major semi-finals in the 2023 season. First, he was in the semi-final of the 2023 PDC World Darts Championship, becoming the first German player to reach that stage of the competition before suffering a 6–2 defeat to Michael Smith having already defeated world number one Gerwyn Price in the previous round.Later, he went on to get to the semi-finals of the 2023 Players Championship Finals, where he lost to Michael van Gerwen.