The 2023 All-Big 12 Conference football team consists of American football players chosen as All-Big 12 Conference players for the 2023 Big 12 Conference football season. The conference recognizes two official All-Big 12 selectors: (1) the Big 12 conference coaches selected separate offensive and defensive units and named first- and second-team players (the "Coaches" team); and (2) a panel of sports writers and broadcasters covering the Big 12 also selected offensive and defensive units and named first- and second-team players (the "Media" team).
<div style="font-size:smaller"> Bold = selected as a first-team player by both the coaches and media panel
Coaches = selected by Big 12 Conference coaches
Media = selected by a media panel </div>