The final was played at the Estádio do Maracanã in Rio de Janeiro, Brazil on 4 November 2023.

[1] Brazilian club Fluminense were the champions, winning their first Copa Libertadores title after defeating Argentine side Boca Juniors 2–1 after extra time in the final.

They also automatically qualified for the 2023 and 2025 FIFA Club World Cups and the 2024 Copa Libertadores group stage.

The following 47 teams from the 10 CONMEBOL member associations qualified for the tournament:[3] The entry stage is determined as follows:[3] The schedule of the competition was as follows:[15][16][17] The draw for the qualifying stages was held on 21 December 2022, 12:00 PYST (UTC−3), at the CONMEBOL Convention Centre in Luque, Paraguay.

[23] The draw for the group stage was held on 27 March 2023, 20:00 PYT (UTC−4), at the CONMEBOL Convention Centre in Luque, Paraguay.

The draw for the round of 16 was held on 5 July 2023, 12:00 PYT (UTC−4) at the CONMEBOL Convention Center in Luque, Paraguay.

If the teams had been tied on aggregate, extra time would not have been played, and a penalty shoot-out would have been used to determine the winner (Regulations Article 2.4.3).