The 2021 South American Championships were held from December 8 through December 12 in San Juan, Argentina.
All-Around Results
| Rank | Athlete | FX | PH | SR | VT | PB | HB | AA |
| 1 | Gabriel Barbosa Brazil |
13.700 | 13.333 | 13.767 | 14.133 | 13.667 | 12.000 | 80.600 |
| 2 | Santiago Mayol Argentina |
13.533 | 13.333 | 12.767 | 14.100 | 13.567 | 12.567 | 79.867 |
| 3 | Johnny Oshiro Brazil |
13.267 | 12.633 | 13.567 | 13.767 | 13.400 | 12.700 | 79.333 |
| 4 | Dilan Jimenez Colombia |
11.867 | 12.533 | 12.833 | 14.167 | 13.600 | 13.033 | 78.033 |
| 5 | Patrick Sampaio Brazil |
13.767 | 12.500 | 12.333 | 13.700 | 12.433 | 12.767 | 77.500 |
| 6 | Jesus Moreto Peru |
12.800 | 13.133 | 12.500 | 13.633 | 12.533 | 12.600 | 77.200 |
| 7 | Julian Jato Argentina |
13.633 | 10.667 | 13.067 | 12.767 | 13.967 | 12.000 | 76.100 |
| Josué Heliodoro Brazil |
13.900 | 11.533 | 12.233 | 14.100 | 13.133 | 11.200 | 76.100 | |
| 9 | Arian Leon Prado Peru |
12.867 | 12.467 | 12.333 | 13.300 | 12.567 | 11.967 | 75.500 |
| 10 | Daniel Villafañe Argentina |
12.900 | 9.567 | 14.067 | 13.900 | 12.700 | 11.700 | 74.833 |
| 11 | Joel Alvarez Chile |
12.633 | 11.333 | 12.500 | 13.600 | 13.567 | 11.167 | 74.800 |
| 12 | Israel Chiriboga Ecuador |
13.667 | 12.300 | 11.967 | 12.300 | 11.467 | 12.933 | 74.633 |
| 13 | Christopher Graff Colombia |
12.400 | 13.033 | 12.733 | 12.600 | 12.433 | 10.667 | 73.867 |
| Johnny Valencia Ecuador |
12.967 | 11.867 | 12.367 | 13.000 | 12.300 | 11.367 | 73.867 | |
| 15 | Agustin Lira Chile |
12.567 | 10.733 | 11.900 | 13.200 | 12.367 | 12.300 | 73.067 |
| 16 | Victor Rostagno Uruguay |
11.667 | 9.267 | 12.567 | 14.133 | 12.367 | 11.433 | 71.433 |
| 17 | Pablo Calvache Ecuador |
11.200 | 11.233 | 11.933 | 13.200 | 10.800 | 12.400 | 70.767 |
| 18 | Mauricio Gallegos Peru |
11.100 | 11.400 | 12.600 | 12.033 | 11.800 | 11.267 | 70.200 |
| 19 | Ignacio Varas Chile |
11.433 | 9.267 | 11.833 | 12.767 | 12.667 | 11.367 | 69.333 |
| 20 | Josue Armijo Chile |
13.567 | 11.500 | —— | 14.000 | 12.500 | 11.800 | 63.367 |
| 21 | Luis Pizarro Peru |
12.367 | 10.967 | —— | 13.133 | 11.300 | 12.533 | 60.300 |
| 22 | Luca Alfieri Argentina |
12.867 | 12.867 | —— | —— | 12.533 | 12.633 | 50.900 |
| 23 | Santiago Gomez Argentina |
12.300 | 12.067 | —— | 13.767 | —— | 12.100 | 50.233 |
| 24 | Rankiel Neves Brazil |
—— | 12.933 | 12.767 | —— | 11.900 | 12.533 | 50.133 |
| 25 | Juan Raffo Chile |
12.733 | 10.867 | 12.900 | 12.800 | —— | —— | 49.300 |
| 26 | Christian Salazar Bolivia |
8.667 | 4.433 | 5.267 | 10.600 | 10.167 | 7.267 | 46.400 |
| 27 | Nicolas Garfias Peru |
10.567 | —— | 12.167 | 12.267 | —— | 9.500 | 44.500 |
| 28 | Yosias Bustos Chile |
—— | —— | 11.433 | —— | 12.167 | 12.700 | 36.300 |
| 29 | Kristopher Bohorquez Colombia |
—— | —— | 13.800 | —— | 12.967 | —— | 26.767 |
| 30 | Federico Molinari Argentina |
—— | —— | 14.367 | —— | —— | —— | 14.367 |
Floor Final Results
| Rank | Athlete | Nation | D | E | ND | Total |
| 1 | Santiago Mayol | Argentina | 5.5 | 8.000 | 13.500 | |
| 2 | Julian Jato | Argentina | 5.2 | 8.333 | -0.1 | 13.433 |
| 3 | Josue Armijo | Chile | 5.2 | 7.967 | 13.167 | |
| 4 | Patrick Sampaio | Brazil | 5.2 | 7.733 | 12.933 | |
| 5 | Josué Heliodoro | Brazil | 5.6 | 7.500 | -0.2 | 12.900 |
| 6 | Arian Leon Prado | Peru | 4.8 | 8.067 | 12.867 | |
| 7 | Johnny Valencia | Ecuador | 4.8 | 6.767 | 11.567 | |
| 8 | Israel Chiriboga | Ecuador | 4.0 | 6.133 | 10.133 |
Pommels Final Results
| Rank | Athlete | Nation | D | E | ND | Total |
| 1 | Gabriel Barbosa | Brazil | 5.4 | 8.300 | 13.700 | |
| 2 | Santiago Mayol | Argentina | 5.2 | 8.000 | 13.200 | |
| 3 | Rankiel Neves | Brazil | 5.1 | 7.667 | 12.767 | |
| 4 | Arian Leon Prado | Peru | 5.1 | 7.433 | 12.533 | |
| 5 | Jesus Moreto | Peru | 4.4 | 7.967 | 12.367 | |
| 6 | Christopher Graff | Colombia | 4.1 | 7.933 | 12.033 | |
| 7 | Luca Alfieri | Argentina | 4.7 | 7.167 | 11.867 | |
| 8 | Dilan Jimenez | Colombia | 3.4 | 5.733 | 9.133 |
Rings Final Results
| Rank | Athlete | Nation | D | E | ND | Total |
| 1 | Daniel Villafañe | Argentina | 5.9 | 8.200 | 14.100 | |
| 2 | Federico Molinari | Argentina | 5.8 | 8.233 | 14.033 | |
| 3 | Gabriel Barbosa | Brazil | 5.4 | 8.200 | 13.600 | |
| 4 | Kristopher Bohorquez | Colombia | 5.8 | 7.567 | 13.367 | |
| 5 | Juan Raffo | Chile | 4.4 | 8.533 | 12.933 | |
| 6 | Dilan Jimenez | Colombia | 5.5 | 7.333 | 12.833 | |
| 7 | Johnny Oshiro | Brazil | 5.2 | 6.933 | 12.133 | |
| 8 | Mauricio Gallegos | Peru | 5.0 | 6.733 | 11.733 |
Vault Final Results
| Rank | Athlete | Nation | D | E | ND | Total | Average |
| 1 | Josué Heliodoro | Brazil | 5.2 | 9.167 | 14.367 | 14.017 | |
| 4.8 | 9.167 | -0.3 | 13.667 | ||||
| 2 | Victor Rostagno | Uruguay | 5.2 | 8.900 | 14.100 | 13.967 | |
| 5.2 | 8.933 | -0.3 | 13.833 | ||||
| 3 | Dilan Jimenez | Colombia | 5.6 | 7.833 | 13.433 | 13.833 | |
| 5.2 | 9.033 | 14.233 | |||||
| 4 | Ignacio Varas | Chile | 5.2 | 8.367 | 13.567 | 13.733 | |
| 4.8 | 9.100 | 13.900 | |||||
| 5 | Daniel Villafañe | Argentina | 5.2 | 8.967 | 14.167 | 13.550 | |
| 5.2 | 7.833 | -0.1 | 12.933 | ||||
| 6 | Josue Armijo | Chile | 4.8 | 9.033 | 13.833 | 13.433 | |
| 4.4 | 8.633 | 13.033 | |||||
| 7 | Pablo Calvache | Ecuador | 4.8 | 8.867 | -0.3 | 13.367 | 13.133 |
| 4.0 | 8.900 | 12.900 |
P-Bars Final Results
| Rank | Athlete | Nation | D | E | ND | Total |
| 1 | Julian Jato | Argentina | 5.3 | 8.600 | 13.900 | |
| 2 | Gabriel Barbosa | Brazil | 5.4 | 8.133 | 13.533 | |
| 3 | Santiago Mayol | Argentina | 5.2 | 8.067 | 13.267 | |
| 4 | Dilan Jimenez | Colombia | 5.8 | 7.333 | 13.133 | |
| 5 | Joel Alvarez | Chile | 5.3 | 7.733 | 13.033 | |
| 6 | Kristopher Bohorquez | Colombia | 5.1 | 7.900 | 13.000 | |
| 7 | Johnny Oshiro | Brazil | 4.9 | 7.533 | 12.433 | |
| 8 | Ignacio Varas | Chile | 4.3 | 7.733 | 12.033 |
High Bar Final Results
| Rank | Athlete | Nation | D | E | ND | Total |
| 1 | Patrick Sampaio | Brazil | 5.3 | 8.067 | 13.367 | |
| 2 | Santiago Mayol | Argentina | 4.9 | 8.200 | 13.100 | |
| 3 | Israel Chiriboga | Ecuador | 4.6 | 8.433 | 13.033 | |
| 4 | Luca Alfieri | Argentina | 4.1 | 8.567 | 12.667 | |
| 5 | Johnny Oshiro | Brazil | 4.6 | 8.033 | 12.633 | |
| 6 | Jesus Moreto | Peru | 4.8 | 7.267 | 12.067 | |
| 7 | Yosias Bustos | Chile | 4.0 | 7.267 | 11.267 | |
| 8 | Dilan Jimenez | Colombia | 4.1 | 6.733 | 10.833 |
Team Results
| Rank | Nation | FX | PH | SR | VT | PB | HB | AA |
| 1 | BRAZIL (Gabriel Barbosa, Josué Heliodoro, Rankiel Neves, Johnny Oshiro, Patrick Sampaio) | 54.633 | 51.400 | 52.433 | 55.700 | 52.633 | 50.000 | 316.800 |
| 2 | ARGENTINA (Luca Alfieri, Santiago Gomez, Julian Jato, Santiago Mayol, Federico Molinari, Daniel Villafañe) | 52.933 | 48.933 | 54.267 | 54.533 | 52.767 | 49.300 | 312.733 |
| 3 | CHILE (Joel Alvarez, Josue Armijo, Yosias Bustos, Agustin Lira, Juan Raffo, Ignacio Varas) | 51.500 | 44.433 | 49.133 | 53.600 | 51.100 | 48.167 | 297.733 |
| 4 | PERU (Mauricio Gallegos, Nicolas Garfias, Arian Leon Prado, Jesus Moreto, Luis Pizarro) | 49.133 | 47.967 | 49.600 | 52.333 | 48.200 | 48.367 | 295.600 |