The 2021 South American Junior Championships were held from November 11 through November 15 in Cochabamba, Bolivia.
All-Around Results
| Rank | Athlete | FX | PH | SR | VT | PB | HB | AA |
| 1 | Luciano Letelier Chile |
13.300 | 11.900 | 12.300 | 13.000 | 12.650 | 12.800 | 75.950 |
| 2 | Nahuel Pardo Argentina |
12.550 | 11.650 | 12.450 | 13.050 | 12.400 | 11.950 | 74.050 |
| 3 | Angel Barajas Colombia |
12.800 | 12.600 | 12.100 | 13.150 | 12.650 | 10.550 | 73.850 |
| 4 | Fausto Catini Argentina |
12.150 | 9.450 | 12.000 | 13.150 | 12.200 | 11.950 | 70.900 |
| 5 | Cristobal Prado Chile |
12.400 | 10.950 | 12.200 | 13.600 | 11.250 | 10.250 | 70.650 |
| 6 | Luciano Flores Chile |
12.800 | 10.300 | 10.950 | 13.750 | 11.400 | 10.900 | 70.100 |
| 7 | Felipe Becerra Argentina |
9.650 | 12.250 | 11.250 | 13.650 | 11.700 | 11.250 | 69.750 |
| 8 | Thiago Ognibene Argentina |
12.000 | 9.750 | 11.500 | 12.850 | 11.000 | 11.850 | 68.950 |
| 9 | Jhordan Castro Colombia |
10.650 | 11.950 | 11.500 | 11.600 | 12.800 | 10.200 | 68.700 |
| 10 | Stefano Romero Ecuador |
11.100 | 11.250 | 10.750 | 12.300 | 11.750 | 10.850 | 68.000 |
| 11 | Manuel Lopez Colombia |
13.050 | 11.450 | 10.850 | 11.500 | 12.500 | 8.100 | 67.450 |
| 12 | Daniel Chica Ecuador |
10.700 | 8.700 | 11.050 | 13.100 | 11.000 | 11.850 | 66.400 |
| 13 | Moises Cuencat Ecuador |
8.850 | 10.500 | 11.550 | 11.650 | 11.200 | 10.200 | 63.950 |
| 14 | Jose Moreno Bolivia |
10.200 | 5.000 | 9.900 | 12.000 | 10.750 | 10.500 | 58.350 |
| 15 | Sergio Bustillos Bolivia |
10.500 | 0.000 | 9.250 | 10.400 | 9.400 | 9.850 | 49.400 |
| 16 | Joaquin Alvarez Chile |
—— | 11.150 | 11.400 | —— | 12.000 | 11.000 | 45.550 |
| 17 | Matias Arellano Peru |
11.100 | 10.000 | 9.400 | 11.950 | —— | —— | 42.450 |
Team Results
| Rank | Athlete | FX | PH | SR | VT | PB | HB | Total |
| 1 | CHILE (Joaquin Alvarez, Luciano Flores, Luciano Letelier, Cristobal Prado) | 38.500 | 34.000 | 35.900 | 40.350 | 36.050 | 34.700 | 219.500 |
| 2 | ARGENTINA (Felipe Becerra, Fausto Catini, Thiago Ognibene, Nahuel Pardo) | 36.700 | 33.650 | 35.950 | 39.850 | 36.300 | 35.750 | 218.200 |
| 3 | COLOMBIA (Angel Barajas, Jhordan Castro, Manuel Lopez) | 36.500 | 36.000 | 34.450 | 36.250 | 37.950 | 28.850 | 210.000 |
| 4 | ECUADOR (Daniel Chica, Moises Cuenca, Stefano Romero) | 30.650 | 30.450 | 33.350 | 37.050 | 33.950 | 32.900 | 198.350 |
The Gymternet 