The 2021 Nordic Junior Championships were held virtually from October 29 through October 30.
All-Around Results
| Rank | Athlete | Nation | VT | UB | BB | FX | AA |
| 1 | Olivia Vättö | Finland | 13.433 | 9.266 | 12.300 | 11.833 | 46.832 |
| 2 | Anni Vuorikoski | Finland | 12.333 | 10.566 | 11.600 | 12.266 | 46.765 |
| 3 | Natalie Jensen | Denmark | 12.433 | 10.033 | 12.400 | 11.733 | 46.599 |
| 4 | Elina Grawin | Sweden | 12.366 | 12.566 | 10.700 | 10.900 | 46.532 |
| 5 | Kiira Jokinen | Finland | 12.066 | 10.900 | 11.333 | 11.200 | 45.499 |
| 6 | Sara Jacobsen | Denmark | 13.333 | 9.333 | 10.533 | 12.000 | 45.199 |
| 7 | Sara Laiho | Finland | 12.200 | 9.700 | 11.833 | 11.300 | 45.033 |
| 8 | Ragnheidur Johannsdottir | Iceland | 12.633 | 8.866 | 11.366 | 12.133 | 44.998 |
| 9 | Dagny Axelsdottir | Iceland | 12.133 | 8.833 | 10.900 | 11.366 | 43.232 |
| 10 | Caroline Bertelsen | Denmark | 12.700 | 9.400 | 10.600 | 10.433 | 43.133 |
| 11 | Amalie Pedersen | Denmark | 12.533 | 9.066 | 9.900 | 11.233 | 42.732 |
| 12 | Jemina Phan | Finland | 12.166 | 10.700 | 8.800 | 11.033 | 42.699 |
| 13 | Amanda Helsing | Sweden | 11.833 | 9.300 | 10.266 | 11.300 | 42.699 |
| 14 | Freyja Hannesdottir | Iceland | 12.533 | 9.200 | 9.533 | 11.233 | 42.499 |
| 15 | Tilde Stjernborg | Sweden | 12.200 | 9.366 | 9.200 | 11.666 | 42.432 |
| 16 | Margret Johannsdottir | Iceland | 12.333 | 8.900 | 8.866 | 11.766 | 41.865 |
| 17 | Hannah Lassen | Denmark | 12.500 | 8.366 | 9.433 | 11.166 | 41.465 |
| 18 | Rebecca Meijer | Sweden | 12.000 | 9.033 | 9.433 | 10.733 | 41.199 |
| 19 | Ellen Gakios | Sweden | 12.266 | 8.766 | 10.100 | 9.600 | 40.732 |
| 20 | Svanhildur Hlynsdottir | Iceland | 12.066 | 7.800 | 9.000 | 10.100 | 38.966 |
Detailed Vault Results
| Rank | Athlete | Nation | D | E | ND | Total | Average |
| 1 | Olivia Vättö | Finland | 4.6 | 8.833 | 13.433 | 13.083 | |
| 4.0 | 8.733 | 12.733 | |||||
| 2 | Sara Jacobsen | Denmark | 4.6 | 8.733 | 13.333 | 13.066 | |
| 4.0 | 8.800 | 12.800 | |||||
| 3 | Caroline Bertelsen | Denmark | 4.0 | 8.700 | 12.700 | 12.616 | |
| 3.7 | 8.833 | 12.533 | |||||
| 4 | Freyja Hannesdottir | Iceland | 4.0 | 8.533 | 12.533 | 12.416 | |
| 3.7 | 8.600 | 12.300 | |||||
| 5 | Ragnheidur Johannsdottir | Iceland | 4.2 | 8.433 | -0.1 | 12.633 | 12.333 |
| 3.7 | 8.433 | 12.033 | |||||
| 6 | Amalie Pedersen | Denmark | 3.7 | 8.833 | 12.533 | 12.333 | |
| 3.5 | 8.633 | 12.133 | |||||
| 7 | Hannah Lassen | Denmark | 3.7 | 8.800 | 12.500 | 12.333 | |
| 3.5 | 8.666 | 12.166 | |||||
| 8 | Sara Laiho | Finland | 3.5 | 8.700 | 12.200 | 12.333 | |
| 3.7 | 8.766 | 12.466 | |||||
| 9 | Margret Johannsdottir | Iceland | 3.7 | 8.633 | 12.333 | 12.183 | |
| 3.5 | 8.533 | 12.033 | |||||
| 10 | Tilde Stjernborg | Sweden | 3.7 | 8.500 | 12.200 | 12.100 | |
| 3.5 | 8.500 | 12.000 | |||||
| 11 | Dagny Axelsdottir | Iceland | 3.7 | 8.433 | 12.133 | 12.049 | |
| 3.5 | 8.466 | 11.966 | |||||
| 12 | Natalie Jensen | Denmark | 4.0 | 8.433 | -0.3 | 12.433 | 12.033 |
| 4.6 | 7.333 | 11.633 | |||||
| 13 | Svanhildur Hlynsdottir | Iceland | 3.7 | 8.366 | 12.066 | 11.999 | |
| 3.5 | 8.433 | 11.933 |
Team Results
| Rank | Nation | VT | UB | BB | FX | Total |
| 1 | FINLAND (Kiira Jokinen, Sara Laiho, Jemina Phan, Olivia Vättö, Anni Vuorikoski) | 37.966 | 32.166 | 35.733 | 35.399 | 141.264 |
| 2 | DENMARK (Caroline Bertelsen, Sara Jacobsen, Natalie Jensen, Hannah Lassen, Amalie Pedersen) | 38.566 | 28.766 | 33.533 | 34.966 | 135.831 |
| 3 | SWEDEN (Ellen Gakios, Elina Grawin, Amanda Helsing, Rebecca Meijer, Tilde Stjernborg0 | 36.832 | 31.232 | 31.066 | 33.866 | 132.996 |
| 4 | ICELAND (Dagny Axelsdottir, Freyja Hannesdottir, Svanhildur Hlynsdottir, Margret Johannsdottir, Ragnheidur Johannsdottir) | 37.499 | 26.966 | 31.799 | 35.265 | 131.529 |
The Gymternet 