Quinn Vandecasteele
Quinn Vandecasteele is an American tennis player.
Vandecasteele has a career high ATP singles ranking of No. 555 achieved on 6 May 2024 and a career high ATP doubles ranking of No. 578 achieved on 10 November 2025.
Vandecasteele has won one ATP Challenger doubles title at the 2025 Knoxville Challenger.
Vandecasteele played college tennis at Oregon.