Quinn Vandecasteele
| Country (sports) | United States |
|---|---|
| Born | September 1, 2002 Murray, Utah, United States |
| Height | 1.91 m (6 ft 3 in) |
| Plays | Right-handed (two-handed backhand) |
| College | Oregon |
| Prize money | $74,593 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 1 ITF |
| Highest ranking | No. 507 (February 23, 2026) |
| Current ranking | No. 507 (February 23, 2026) |
| Doubles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 1 ATP Challenger |
| Highest ranking | No. 578 (November 10, 2025) |
| Current ranking | No. 596 (February 23, 2026) |
| Last updated on: February 23, 2026. | |
Quinn Vandecasteele (born September 1, 2002) is an American tennis player.
Vandecasteele has a career high ATP singles ranking of No. 507 achieved on February 23, 2026 and a career high ATP doubles ranking of No. 578 achieved on November 10, 2025.
Vandecasteele has won one ATP Challenger doubles title at the 2025 Knoxville Challenger.
Vandecasteele played college tennis at Oregon.