About Gabriel Diallo

Gabriel Diallo (born September 24, 2001) is a Canadian professional tennis player. He has a career-high ATP singles ranking of world No. 33, achieved on 18 August 2025 and a doubles ranking of No. 321, achieved on 8 January 2024. He is currently the No. 3 singles player from Canada.

Diallo won one ATP title at the 2025 Libéma Open.

Diallo played college tennis at the University of Kentucky.