| Mode: | Basketball |
| Year: | 2022–23 |
| Prev Year: | 2021–22 |
| Next Year: | 2023–24 |
| Team: | Saint Mary's Gaels |
| Conference: | West Coast Conference |
| Short Conf: | WCC |
| Record: | 27–8 |
| Conf Record: | 14–2 |
| Coachrank: | 22 |
| Aprank: | 19 |
| Hc Year: | 22nd |
| Asst Coach1: | Joe Rahon |
| Asst Coach2: | Justin Joyner |
| Stadium: | University Credit Union Pavilion (Capacity: 3,500) |
| Champion: | WCC regular season co-champions |
| Bowl Result: | Second Round |
The 2022–23 Saint Mary's Gaels men's basketball team represented Saint Mary's College of California during the 2022–23 NCAA Division I men's basketball season. The team was led by head coach Randy Bennett in his 22nd season at Saint Mary's. The Gaels played their home games at the University Credit Union Pavilion in Moraga, California, as members of the West Coast Conference (WCC). They finished the season 27–8, 14–2 in WCC Play to finish a tie for 1st place. They defeated BYU in the semifinals of the WCC Tournament before losing to Gonzaga in the championship game. They received an at-large bid to the NCAA Tournament where they defeated VCU in the First Round before losing to UConn in the Second Round.
The Gaels finished the 2021–22 season 26–8, 12–3 in WCC play to finish in second place. In the WCC tournament, they defeated Santa Clara in the semifinals before losing to Gonzaga in the championship. They received an at-large bid to the NCAA tournament as the No. 5 seed in the East region. There they defeated Indiana in the first round before losing to UCLA in the second round.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Reason for departure | |
|---|---|---|---|---|---|---|---|---|
| Yigit Arcan | 1 | G | 6'2" | 170 | Freshman | Walk-on; transferred | ||
| Quinn Clinton | 2 | G | 6'3" | 185 | RS Junior | Left the team for personal reasons | ||
| Jabe Mullins | 5 | G | 6'5" | 190 | Sophomore | Transferred to Washington State | ||
| 11 | F/C | 6'10" | 245 | Senior | Graduated | |||
| 12 | G | 6'2" | 185 | RS Senior | Graduated | |||
| Judah Brown | 25 | F | 6'6" | 205 | Sophomore | Transferred to South Alabama | ||
| Dan Fotu | 42 | F | 6'7" | 225 | Senior | Graduated/Signed to play professionally with Auckland Tuatara |
|-!colspan=12 style=| Regular season|-!colspan=12 style=| WCC tournament |-!colspan=12 style=| NCAA tournamentSource[1]
See also: 2022–23 NCAA Division I men's basketball rankings. *AP does not release post-NCAA Tournament rankings.