2022–23 Big 12 Conference men's basketball season

The 2022–23 Big 12 men's basketball season began with the start of the 2022–23 NCAA Division I men's basketball season in November. Regular season conference play began in December 2022 and concludes in March 2023. The 2023 Big 12 men's basketball tournament was held March 8–11, 2023, at the T-Mobile Center in Kansas City, Missouri.

Kansas won their sixth national championship at the conclusion of the 2021–22 season, defeating North Carolina in the National Championship. This marked the final season for the Big 12 Conference before expanding to 14 teams.

Head coaches
Note: Stats are through the beginning of the season. All stats and records are from time at current school only.

Preseason
Big 12 Preseason Poll

Pre-Season All-Big 12 Team
 * Player of the Year: Mike Miles Jr., TCU
 * Newcomer of the Year: Grant Sherfield, Oklahoma
 * Freshman of the Year: Keyontae George, Baylor

Preseason watchlists
Below is a table of notable preseason watch lists.

Conference matrix
Through end of regular season.

Record vs Other Conferences
The Big 12 had a record of 118–30 in non-conference pla.

Big 12 tournament

 * March 8–11, T-Mobile Center, Kansas City, MO.

All-Americans
To earn "consensus" status, a player must win honors from a majority of the following teams: the Associated Press, the USBWA, Sporting News, and the National Association of Basketball Coaches.

Other All-American Honors: Marquis Nowell, Kansas State (AP-3, USBWA-3, TSN-3, NABC-3); Keyontae Johnson, Kansas State (AP-3, NABC-3); Marcus Carr, Texas (AP-HM); Adam Flager, Baylor (AP-HM); Mike Miles Jr., TCU (AP-HM)

All-Big 12 awards and teams
Honorable Mention: Jaren Holmes, (Iowa State), Osun Osunniyi (Iowa State), KJ Adams Jr. (Kansas), Dajuan Harris Jr. (Kansas), Jalen Hill (Oklahoma), Grant Sherfield (Oklahoma), Emanuel Miller (TCU), Timmy Allen (Texas), De’Vion Harmon (Texas Tech), Kevin Obanor (Texas Tech)

NBA draft
The following list includes all Big 12 players who were drafted in the 2023 NBA draft.