2023 Uruguayan Segunda División season

The 2023 Uruguayan Segunda División season was the 116th season of the Uruguayan Segunda División, the second division championship of football in Uruguay. The season, named "Señor Fabián O'Neill", started on 4 March 2023 and ended on 27 January 2024. A total of 14 teams competed in the season; the top two teams and the winner of the promotion play-offs were promoted to the Uruguayan Primera División.

Miramar Misiones were the champions, claiming their fourth title in the second tier with a 2–0 victory over Albion on the last round of the regular season on 3 December 2023. Progreso, as league runners-up, were also promoted to Primera División along with Miramar Misiones. The third promoted team was Rampla Juniors, winners of the promotion play-offs.

Torneo Competencia
The Torneo Competencia, named "César Pintos", was the first stage of the tournament. The 14 participating teams were divided into two groups of seven where they played each one of the teams under a single round-robin format. The winners of each group advanced to the final, with the winner being assured of a berth into the promotion play-offs.

Regular stage
In the regular stage, the 14 teams played each other twice under a double round-robin format for a total of 26 matches. Teams carried over their Torneo Competencia performances to this stage. The top two teams at the end of the regular stage were promoted to the Uruguayan Primera División, while the teams placing from third to sixth place advanced to the promotion play-offs.

Second leg
Rampla Juniors won 3–0 on aggregate.

Juventud won 2–1 on aggregate.

Finals
Rampla Juniors won 2–1 on aggregate and promoted to the Uruguayan Primera División.