Listed below are the dates and results for the 1986 FIFA World Cup qualification rounds for the South American zone (CONMEBOL). For an overview of the qualification rounds, see the article 1986 FIFA World Cup qualification.
A total of 10 CONMEBOL teams entered the competition. The South American zone was allocated 4 places (out of 24) in the final tournament.
South America's qualifying berths were taken by Argentina, Uruguay, Brazil and Paraguay.
The 10 teams were divided into 3 groups. The teams played against each other on a home-and-away basis. The number of teams and spots for each group were as follows:
In the Play-offs, the 4 teams played a in knockout tournament, with matches on a home-and-away basis. The tournament winner qualified.
Paraguay won 4âÂÂ2 on aggregate and advanced to the Final Round.
Chile won 5âÂÂ2 on aggregate and advanced to the Final Round.
Paraguay won 5âÂÂ2 on aggregate and qualified for the World Cup.
The following four teams from CONMEBOL qualified for the final tournament.