2003 Mountain West Conference baseball tournament
The 2003 Mountain West Conference baseball tournament took place from May 21 through 24. All six of the league's teams met in the double-elimination tournament held at University of New Mexico's Isotopes Park. Top seeded UNLV won their first Mountain West Conference Baseball Championship with a championship game score of 14–9 and earned the conference's automatic bid to the 2003 NCAA Division I baseball tournament.
Seeding
The teams were seeded based on regular season conference winning percentage only. San Diego State claimed the second seed over BYU by winning the season series.| Team | W | L | Pct. | GB | Seed |
| 24 | 6 | .800 | – | 1 | |
| 18 | 12 | .600 | 6 | 2 | |
| 18 | 12 | .600 | 6 | 3 | |
| 17 | 13 | .567 | 7 | 4 | |
| 10 | 20 | .333 | 14 | 5 | |
| 3 | 27 | .100 | 21 | 6 |
Results
All-Tournament Team
The following teams were named to the All-Tournament team.| Name | Class | Team | POS |
| Patrick Dobson | Jr. | UNLV | Outfielder |
| Jordan Swaydan | Fr. | SDSU | Catcher |
| Robert Van Kirk | Sr. | UNLV | Catcher |
| Cort Wilson | Jr. | Utah | Infielder |
| Eric Nielsen | So. | UNLV | Outfielder |
| Brock Jacobsen | Jr. | BYU | Outfielder |
| Jake Vose | Jr. | UNLV | Pitcher |
| Eddie Gill | Jr. | UNLV | Designated Hitter |
| Anthony Gwynn | Jr. | SDSU | Outfielder |
| Brady Martinez | So. | Utah | Relief Pitcher |
| Landon Burt | Jr. | SDSU | Outfielder |