2019 Big Sky Conference Men's Basketball Tournament
The 2019 Big Sky Conference Men's Basketball Tournament was the postseason tournament for the Big Sky Conference, held at CenturyLink Arena in Boise, Idaho. It was the 44th edition of the tournament, which debuted
Regular season and defending tournament champion Montana defeated Eastern Washington 68–62 in the championship game to gain the conference's automatic bid to the 68-team NCAA Tournament. It was Montana's eleventh Big Sky tournament title, which leads the conference; its first came in 1991.
Seeds
The eleven teams were seeded by conference record, with a tiebreaker to seed teams with identical conference records. The top five teams received a first round bye.| Seed | School | Record | Tiebreaker 1 |
| 1 | Montana | 16–4 | |
| 2 | Northern Colorado | 15–5 | |
| 3 | 12–8 | ||
| 4 | Weber State | 11–9 | 3–1 vs. Portland State/Montana State |
| 5 | Portland State | 11–9 | 2–2 vs. Weber State/Montana State |
| 6 | Montana State | 11–9 | 1–3 vs. Weber State/Portland State |
| 7 | Southern Utah | 9–11 | |
| 8 | Northern Arizona | 8–12 | 1–1 vs. Northern Colorado |
| 9 | Sacramento State | 8–12 | 0–2 vs. Northern Colorado |
| 10 | Idaho State | 7–13 | |
| 11 | Idaho | 2–18 |