2021 South American Badminton Championships

The 2021 South American Badminton Championships (Campeonato Sul-Americano Adulto de Badminton 2021) was a badminton tournament sanctioned by the South American Badminton Confederation and Badminton Pan America. The individual and mixed team events were held from 29 November to 5 December 2021.

The tournament was held at Ginásio Univille located in Joinville, Brazil. Five countries took part in the tournament. Following Peru's withdrawal from the tournament, hosts Brazil showed dominance and swept all the medals in the individual events.

Five teams competed in the round-robin team event. Brazil finished in first place with four wins. Ecuador finished as runners-up while Argentina took third place.