Mathis Albert (born May 21, 2009) is an American professional soccer player who plays as a winger for Bundesliga side Borussia Dortmund.
Albert was born on May 21, 2009, in Greenville, South Carolina. He obtained French and German citizenship. Albert was born to a French father and an American mother of German descent. As a youth player, he joined the youth academy of American side LA Galaxy. Albert received interest from Dutch and French sides while playing for the club. He started training with their reserve team ahead of the 2024 season. In 2024, he joined the youth academy of German Bundesliga side Borussia Dortmund.
Albert was a member of the Dortmund squad that competed in the 2025 FIFA Club World Cup, becoming, at the age of 16 years and 27 days, the youngest player of the tournament, although he never came off the bench.
Albert is a United States youth international. He has played for the United States national under-15 team, the United States national under-16 team, and the United States national under-17 team.
Albert is right-footed. He is known for his speed and for his dribbling ability.