1976 South American Championships – Singles

Guillermo Vilas was the defending champion and won in the final 6–2, 6–2, 6–3 against Jaime Fillol.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇦🇷 Guillermo Vilas (champion)
 * 2)  Jaime Fillol (final)
 * 3) 🇮🇹 Paolo Bertolucci (semifinals)
 * 4)  Víctor Pecci (quarterfinals)
 * 5)  Željko Franulović (quarterfinals)
 * 6) 🇬🇧 Mark Cox (second round)
 * 7) 🇪🇸 José Higueras (quarterfinals)
 * 8) 🇦🇷 Ricardo Cano (quarterfinals)

Draw

 * NB: The final was the best of 5 sets while all other rounds were the best of 3 sets.