The 1973 South American Rugby Championship was the eighth edition of the competition of the leading national rugby union teams in South America.
The tournament was played in São Paulo and won by Argentina.
Standings
{| class="wikitable" |- !width=165|Team !width=40|Played !width=40|Won !width=40|Drawn !width=40|Lost !width=40|For !width=40|Against !width=40|Difference !width=40|Pts |- bgcolor=#ccffcc align=center |align=left| |4||4||0||0||309||6||+ 303||8 |- align=center |align=left| |4||3||0||1||60||80||- 20||6 |- align=center |align=left| |4||2||0||2||62||79||- 17||4 |- align=center |align=left| |4||1||0||3||31||137||- 106||2 |- align=center |align=left| |4||0||0||4||18||178||- 160||0
Results
First round
Second round
Third round
Fourth round
Fifth round
References
IRB – South American Championship 1973