The 2018 Argentinian Championships were held on November 17 in Santa Fe, Argentina.
Senior All-Around Results
| Rank | Athlete | Club | VT | UB | BB | FX | AA |
| 1 | Ayelen Tarabini | Bonaerense | 13.300 | 12.067 | 13.233 | 13.133 | 51.733 |
| 2 | Agustina Pisos | Metro | 12.900 | 12.300 | 12.133 | 12.567 | 49.900 |
| 3 | Camila Bonzo | Metro | 13.300 | 11.467 | 11.700 | 12.700 | 49.167 |
| 4 | Mayra Vaquie | Metro | 13.300 | 12.100 | 12.400 | 11.200 | 49.000 |
| 5 | Maria Bernal | Bonaerense | 11.900 | 11.467 | 11.367 | 12.267 | 47.000 |
| 6 | Sira Macias | Bonaerense | 12.100 | 11.200 | 10.567 | 12.567 | 46.433 |
| 7 | Lucila Estarli | Bonaerense | 13.400 | 9.767 | 12.133 | 10.833 | 46.133 |
| 8 | Esperanza Fernandez | Bonaerense | 12.733 | 9.433 | 11.933 | 11.367 | 45.467 |
| 9 | Camila Klesa | Bonaerense | 12.100 | 10.133 | 11.967 | 11.133 | 45.333 |
| 10 | Martina Dominici | Metro | 13.433 | —— | —— | —— | 13.433 |
Senior Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Mayra Vaquie | Metro | 4.6 | 8.633 | 13.233 | 12.817 | |
| 3.5 | 8.900 | 12.400 | |||||
| 2 | Esperanza Fernandez | Bonaerense | 4.0 | 8.567 | 12.567 | 12.350 | |
| 4.0 | 8.133 | 12.133 | |||||
| 3 | Lucila Estarli | Bonaerense | 4.8 | 7.133 | 11.933 | 11.333 | |
| 4.2 | 6.533 | 10.733 |
Senior Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Mayra Vaquie | Metro | 4.7 | 7.167 | 11.867 | |
| 2 | Maria Bernal | Bonaerense | 4.8 | 6.333 | 11.133 | |
| 3 | Agustina Pisos | Metro | 4.1 | 6.533 | 10.633 |
Senior Beam Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Agustina Pisos | Metro | 4.8 | 7.700 | 12.500 | |
| 2 | Lucila Estarli | Bonaerense | 4.6 | 7.700 | 12.300 | |
| 3 | Mayra Vaquie | Metro | 4.8 | 6.733 | 11.533 |
Senior Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Agustina Pisos | Metro | 4.3 | 8.367 | 12.667 | |
| 2 | Sira Macias | Bonaerense | 4.5 | 8.033 | 12.533 | |
| 3 | Camila Bonzo | Metro | 4.2 | 8.100 | 12.300 |
Junior All-Around Results
| Rank | Athlete | Club | VT | UB | BB | FX | AA |
| 1 | Luna Fernandez | Bonaerense | 13.567 | 11.667 | 11.233 | 12.633 | 49.100 |
| 2 | Meline Mesropian | Bonaerense | 12.667 | 11.633 | 12.133 | 12.600 | 49.033 |
| 3 | Abigail Magistrati | Bonaerense | 13.433 | 12.100 | 10.133 | 12.033 | 47.700 |
| 4 | Lucia Esposito | Metro | 12.600 | 10.667 | 12.033 | 12.033 | 47.333 |
| 5 | Manuela Bonora | Metro | 12.500 | 10.100 | 12.133 | 12.300 | 47.033 |
| 6 | Brisa Carraro | Bonaerense | 12.667 | 11.467 | 11.567 | 11.133 | 46.833 |
| 7 | Leila Martinez | Metro | 12.300 | 9.433 | 11.933 | 11.433 | 45.100 |
| 8 | Aimara Gomez | Bonaerense | 12.400 | 8.900 | 11.000 | 12.167 | 44.467 |
| 9 | Victoria Dominguez | Bonaerense | 11.800 | 9.967 | 9.667 | 11.033 | 42.467 |
| 10 | Martina Nuñez | Santa Fe | 11.833 | 8.400 | 9.600 | 11.133 | 40.967 |
| 11 | Eliana Pagano | Santa Fe | 10.900 | 9.467 | 10.767 | 8.600 | 39.733 |
| 12 | Camila Laflor | Bonaerense | 10.500 | 8.400 | 10.567 | 8.367 | 37.833 |
| 13 | Paloma Pedersen | Bonaerense | 12.167 | —— | 8.000 | —— | 20.167 |
Junior Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Abigail Magistrati | Bonaerense | 4.6 | 8.867 | 13.467 | 13.583 | |
| 5.0 | 8.700 | 13.700 | |||||
| 2 | Luna Fernandez | Bonaerense | 4.6 | 7.867 | 12.467 | 12.633 | |
| 4.0 | 8.800 | 12.800 | |||||
| 3 | Manuela Bonora | Metro | 3.7 | 8.833 | 12.533 | 12.267 | |
| 3.5 | 8.500 | 12.000 | |||||
| 4 | Leila Martinez | Metro | 3.3 | 8.767 | 12.067 | 12.133 | |
| 3.5 | 8.700 | 12.200 | |||||
| 5 | Eliana Pagano | Santa Fe | 3.5 | 8.167 | 11.667 | 11.183 | |
| 3.3 | 7.400 | 10.700 |
Junior Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Luna Fernandez | Bonaerense | 4.5 | 6.933 | 11.433 | |
| 2 | Abigail Magistrati | Bonaerense | 3.7 | 6.767 | 10.467 | |
| 3 | Manuela Bonora | Metro | 3.0 | 6.967 | 9.967 | |
| 4 | Eliana Pagano | Santa Fe | 2.3 | 6.833 | 9.133 |
Junior Beam Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Brisa Carraro | Bonaerense | 4.2 | 8.367 | 12.567 | |
| 2 | Manuela Bonora | Metro | 4.0 | 8.133 | 12.133 | |
| 3 | Meline Mesropian | Bonaerense | 4.0 | 7.367 | 11.367 | |
| 4 | Eliana Pagano | Santa Fe | 4.1 | 6.733 | 10.833 | |
| 5 | Martina Nuñez | Santa Fe | 3.9 | 6.000 | 9.900 |
Junior Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Luna Fernandez | Bonaerense | 4.3 | 8.700 | 13.000 | |
| 2 | Meline Mesropian | Bonaerense | 3.8 | 8.033 | 11.833 | |
| 3 | Martina Nuñez | Santa Fe | 3.9 | 7.633 | 11.533 | |
| 4 | Manuela Bonora | Metro | 4.0 | 7.267 | 11.267 | |
| 5 | Eliana Pagano | Santa Fe | 3.8 | 7.433 | 11.233 |
