The 1917 South American Championship of Nations was the second edition of the continental tournament now known as the Copa América. It was held in Montevideo, Uruguay from September 30 to October 14, 1917. Hosts Uruguay retained the title after winning 1-0 over Argentina in the last match of the competition. Ángel Romano from Uruguay finished as the top scorer of the tournament with 4 goals.
There was no qualifying for the tournament. The participating countries were Argentina, Brazil, Chile and Uruguay. All teams competed between each other in a single group. The one with the best position after the matches was the champion. Two points were awarded for a win, one for a draw, and zero for a defeat.