| Mode: | basketball |
| Year: | 2022–23 |
| Prev Year: | 2021–22 |
| Team: | Western Illinois Leathernecks |
| Conference: | Summit League |
| Short Conf: | The Summit |
| Record: | 16–14 |
| Conf Record: | 9–9 |
| Head Coach: | Rob Jeter |
| Hc Year: | 3rd |
| Assoc Coach: | Chad Boudreau |
| Asst Coach1: | Kyle Heikkinen |
| Asst Coach2: | Allan Hanson |
| Stadium: | Western Hall |
The 2022–23 Western Illinois Leathernecks men's basketball team represented Western Illinois University in the 2022–23 NCAA Division I men's basketball season. The Leathernecks, led by third-year head coach Rob Jeter, played their home games at Western Hall in Macomb, Illinois, as members of the Summit League. they finished the season 16–14, 9–9 in Summit League play, to finish in a tie for fourth place. As the No. 4 seed in the Summit League tournament, they lost to St. Thomas in the quarterfinals.
On April 12, 2023, head coach Rob Jeter left to take the head coaching position at Southern Utah.[1] On April 13, the school named associate head coach Chad Boudreau the team's new head coach.[2]
This was also the final season for the Leathernecks in the Summit League as Western Illinois is moving to the Ohio Valley Conference for the 2023–24 season.
The Leathernecks finished the 2021–22 season 16–16, 7–11 in Summit League play to finish in a tie for sixth place. In the Summit League tournament, they were defeated by Oral Roberts in the first round.[3] They received an invitation to The Basketball Classic, where they lost to UTEP in the first round.[4]
|-!colspan=12 style=| Exhibition|-!colspan=12 style=| Non-conference regular season|-!colspan=12 style=| Summit League regular season|-!colspan=9 style=|Summit League tournamentSources[5] [6]