Justin Boulais
| Country (sports) | Canada |
|---|---|
| Born | 20 October 2001 Hilton Head Island, South Carolina, United States |
| Height | 1.83 m (6 ft 0 in) |
| Plays | Left-handed (one-handed backhand) |
| College | Ohio State |
| Prize money | $117,462 |
| Singles | |
| Career record | 0–0 |
| Career titles | 0 0 Challenger, 2 Futures |
| Highest ranking | No. 477 (16 March 2026) |
| Current ranking | No. 477 (16 March 2026) |
| Doubles | |
| Career record | 0–0 |
| Career titles | 0 1 Challenger, 3 Futures |
| Highest ranking | No. 326 (3 November 2025) |
| Current ranking | No. 330 (16 March 2026) |
| Last updated on: 16 March 2026. | |
Justin Boulais (born 20 October 2001) is an American-born Canadian tennis player. Boulais has a career high ATP singles ranking of No. 477 achieved on 16 March 2026 and a career high ATP doubles ranking of No. 326 achieved on 3 November 2025.
Boulais has won 1 ATP Challenger doubles title at the 2023 Calgary National Bank Challenger with Juan Carlos Aguilar.
Boulais plays college tennis at Ohio State.