Listed below are the dates and results for the 1986 FIFA World Cup qualification rounds for the South American zone (CONMEBOL).
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.
Paraguay won 4–2 on aggregate and advanced to the Final Round.
Paraguay won 5–2 on aggregate and qualified for the World Cup.