The 2004 South American Rugby Championship "B" was the fifth edition of the competition of the second level national rugby union teams in South America.
The tournament was played in São Paulo, with four teams participating.
Paraguay won the tournament for the first time.
Standings Three points for a victory, two for a draw, and one for a loss {| 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| |3||3||0||0||175||24||+ 151||9 |- align=center |align=left| |3||2||0||1||164||25||+ 139||7 |- align=center |align=left| |3||1||0||2||18||157||- 139||5 |- align=center |align=left| |3||0||0||3||17||168||- 151||3
Results First round
Second round
Third round
References