The 1939 South American Basketball Championship , the seventh South American Basketball Championship , took place between April 14 and 30, 1939 in Rio de Janeiro , Brazil , which was the second time the championship was held. The winner was the Brazilian national team , which won the title for the first time. At the same time, the host of the championship was also the winner of the tournament for the third time in a row.
Each team played against each opponent once, so that each team had to play four games. There were two points for each win and one point for a defeat. The team, which was in first place after the encounters, became South American champions in 1939.