Marc Fornell Mestres (born 26 January 1982) is a professional tennis player from Spain.

[1][2] Fornell Mestres's career-high ATP singles entry ranking is World No.

On 31 December 2018, he was provisionally suspended from tennis for leading a match-fixing group.

[3] In 2022, Fornell Mestres was convicted of match fixing and received a 2-year suspended prison sentence and a 450€ fine.

He was also fined $250,000 and banned from professional tennis for 22 years and 6 months by the International Tennis Integrity Agency.