The Copa Libertadores 1983 was the 24th edition of the Copa Libertadores, CONMEBOL's annual international club tournament. Grêmio won the competition against Peñarol.
The champions and runners-up of each football association were drawn into the same group along with another football association's participating teams. Three clubs from Uruguay competed as Peñarol was champion of the 1982 Copa Libertadores. They entered the tournament in the Semifinals.
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