2018 Atlantic 10 Men's Basketball Tournament
The 2018 Atlantic 10 Men's Basketball Tournament was the postseason men's basketball tournament for the Atlantic 10 Conference's 2017–18 season. It was held March 7 through March 11, 2018 at Capital One Arena in Washington, D.C. Davidson won the tournament by defeating Rhode Island in the championship game. As a result, Davidson received the conference's automatic bid to the NCAA Tournament.
Seeds
All 14 A-10 schools participated in the tournament. Teams were seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records. The top 10 teams received a first round bye and the top four teams received a double bye.| Seed | School | Record | Tiebreaker |
| 1 | Rhode Island | 15–3 | |
| 2 | St. Bonaventure | 14–4 | |
| 3 | Davidson | 13–5 | |
| 4 | Saint Joseph's | 10–8 | |
| 5 | George Mason | 9–9 | 3–2 vs. Richmond, SLU, VCU |
| 6 | Saint Louis | 9–9 | 2–2 vs. GM, Richmond, VCU |
| 7 | Richmond | 9–9 | 3–3 vs. GM, SLU, VCU |
| 8 | VCU | 9–9 | 2–3 vs. GM, Richmond, SLU |
| 9 | Dayton | 8–10 | |
| 10 | Duquesne | 7–11 | 3–0 vs. GW, La Salle |
| 11 | George Washington | 7–11 | 1–2 vs. Duquesne, La Salle |
| 12 | La Salle | 7–11 | 0–2 vs. Duquesne, GW |
| 13 | Massachusetts | 5–13 | |
| 14 | Fordham | 4–14 |