Gabriel Diallo is a Canadian professional tennis player. He has a career-high ATP singles ranking of world No. 54, achieved on May 5, 2025, and a doubles ranking of No. 321, achieved on January 8, 2024. He is currently the No. 3 Canadian player. He played college tennis at the University of Kentucky. He was only the 7th player in the University of Kentucky's tennis history to earn ITA All-America honors in both singles and doubles play in the same season. As a junior, he was named to the All-SEC first team, and peaked at the number 4 ranked player in the nation.


