Copa Libertadores 1973 was won by defending champions
Independiente of
Argentina
Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
after defeating
Colo Colo
Club Social y Deportivo Colo-Colo () is a Chilean professional football club based in Macul, Santiago. Founded in 1925 by David Arellano they play in the Chilean Primera División, from which they have never been relegated. The team has playe ...
of
Chile
Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
in a third decisive game. The third match which ended 2–1 in extra time was necessary after the previous two leg matches ended in draws.
Group stage
Group 1
Group 2
Group 3
Group 4
*The Venezuelan club teams
Deportivo Italia
Petare Fútbol Club (until summer 2010 called Deportivo Italia Fútbol Club and known as Deportivo Petare Fútbol Club until summer 2015) is a Venezuelan football club based in Caracas. Formed in 1948 as "Deportivo Italia F.C.", the club after ...
and
Deportivo Galicia
Deportivo Galicia Fútbol Club (later Galicia de Aragua) was a traditional football club from Venezuela.
Founded in Caracas, the club moved, in 2002, to Maracay, in the state of Aragua, when its name changed to Galicia de Aragua, playing the ...
did not participate in the Copa Libertadores due to internal problems with the Venezuelan footballing federation.
Group 5
Semi-Finals
*The five previous group leaders formed two new groups of three which included the 1972 Copa Libertadores defending champion Independiente.
Group A
Group B
Finals
Champion
{{Copa Libertadores Seasons
1
Copa Libertadores seasons