The 2021 Norwegian Junior Championships were held from October 23 through October 24 in Straume, Norway.
All-Around Results
| Rank | Athlete | FX | PH | SR | VT | PB | HB | AA |
| 1 | Sebastian Sponevik Hoppensprett |
12.700 | 12.000 | 11.600 | 13.150 | 13.000 | 12.050 | 74.500 |
| 2 | Jakob Kvamsøe Bergens Turnforening |
11.700 | 10.300 | 11.900 | 12.800 | 12.500 | 11.050 | 70.250 |
| 3 | Petter Steinsvik-Nilsen Oslo Turnforening |
12.100 | 9.550 | 12.250 | 12.150 | 12.050 | 11.300 | 69.400 |
| 4 | Laurits Hegbom Oslo Turnforening |
12.600 | 9.650 | 11.300 | 12.350 | 12.250 | 10.850 | 69.000 |
| 5 | Joshua Ifeanyi Njård Turn |
12.600 | 10.250 | 10.900 | 11.900 | 12.200 | 10.800 | 68.650 |
| 6 | Elias Engen Tromsø Turnforening |
11.950 | 10.450 | 11.100 | 12.250 | 11.550 | 11.150 | 68.450 |
| 7 | Herman Sørensen Hoppensprett |
12.450 | 10.100 | 11.250 | 11.000 | 11.500 | 12.000 | 68.300 |
| 8 | Sebastian Dyngeland Stavanger Turnforening |
12.450 | 9.550 | 11.350 | 12.300 | 11.550 | 10.700 | 67.900 |
| 9 | Magnus Nygaard-Damm Oslo Turnforening |
11.550 | 10.650 | 10.300 | 11.450 | 11.800 | 11.250 | 67.000 |
| 10 | Jonas Dølvik Fana-Laksevåg |
12.750 | 9.800 | 10.850 | 11.050 | 11.900 | 10.550 | 66.900 |
| 11 | Ivan Maltsev Oslo Turnforening |
12.900 | 10.250 | 11.450 | 10.600 | 11.100 | 10.300 | 66.600 |
| 12 | Leo Jung Sotra SK Turn |
11.300 | 10.350 | 10.100 | 11.700 | 11.950 | 10.750 | 66.150 |
| 13 | Philip Hauge Stavanger Turnforening |
12.150 | 9.450 | 9.900 | 12.350 | 12.050 | 9.700 | 65.600 |
| 14 | Leon Sønsteng Hoppensprett |
11.700 | 8.950 | 11.550 | 11.100 | 11.800 | 10.100 | 65.200 |
| 15 | Kasper Berntsen Nøtterøy Turn |
12.250 | 7.950 | 10.200 | 12.050 | 11.550 | 10.500 | 64.500 |
| 16 | Nikolai Haugen Elverum Turn |
11.100 | 9.000 | 10.800 | 10.950 | 11.900 | 10.350 | 64.100 |
| 17 | Aleksander Lundekvam Sotra SK Turn |
10.900 | 9.150 | 11.600 | 9.750 | 11.650 | 10.300 | 63.350 |
| 18 | Nikolai Solhaug Hoppensprett |
12.200 | 10.000 | 10.950 | 10.150 | 11.450 | 8.500 | 63.250 |
| 19 | Elias Ingebrigtsen Tromsø Turnforening |
11.350 | 8.600 | 11.100 | 11.950 | 11.300 | 8.500 | 62.800 |
| 20 | William Sønsteng Hoppensprett |
12.500 | 9.150 | 11.250 | 7.850 | 11.000 | 10.950 | 62.700 |
| 21 | Ola Johansen Hoppensprett |
11.700 | 9.050 | 10.850 | 9.700 | 11.300 | 9.550 | 62.150 |
| 22 | Linus Monen Nøtterøy Turn |
11.600 | 8.750 | 11.150 | 10.150 | 10.250 | 9.700 | 61.600 |
| 23 | Brian Rugland Kristiansands Turnforening |
8.750 | 9.950 | 10.000 | 11.300 | 10.950 | 10.500 | 61.450 |
| 24 | Edvard Roppen IL Hødd |
10.900 | 9.800 | 10.350 | 11.250 | 11.500 | 7.600 | 61.400 |
| 25 | Elias Pfaff Arendal Turnforening |
10.700 | 9.900 | 10.100 | 11.000 | 10.850 | 8.700 | 61.250 |
| 26 | Phillip Lieske Bergens Turnforening |
10.950 | 9.350 | 10.250 | 8.250 | 11.500 | 9.950 | 60.250 |
| 27 | Kristian Ramdahl Njård Turn |
12.150 | 6.850 | 10.250 | 10.250 | 10.800 | 9.850 | 60.150 |
| 28 | Mikal Hammersland Sotra SK Turn |
11.850 | 5.750 | 10.100 | 10.750 | 12.350 | 9.300 | 60.100 |
| Edvard Meskau Elverum Turn |
10.750 | 8.200 | 10.850 | 10.150 | 10.600 | 9.550 | 60.100 | |
| 30 | Andreas Steiro Trondhjems Turnforening |
11.650 | 6.150 | 10.450 | 11.000 | 10.650 | 9.550 | 59.450 |
| 31 | Olav Holm Hoppensprett |
11.300 | 9.600 | 10.900 | 10.450 | 10.350 | 6.300 | 58.900 |
| 32 | Trym Berge-Johansen Tromsø Turnforening |
12.300 | 10.950 | 11.100 | 11.750 | 11.700 | —— | 57.800 |
| 33 | Lukas Nilsen Kristiansands Turnforening |
11.150 | 3.950 | 10.050 | 11.500 | 8.850 | 9.800 | 55.300 |
| 34 | Jeff Vercruysse Tromsø Turnforening |
—— | 9.900 | 9.150 | 9.500 | 11.600 | 8.600 | 48.750 |
| 35 | Mees Marinus van der Most Slemmestad og Omegn |
11.250 | 3.750 | 9.600 | 10.450 | 10.750 | 2.850 | 48.650 |
| 36 | Mathias Johannessen Stavanger Turnforening |
9.850 | 4.250 | 10.550 | 10.350 | 8.650 | 3.650 | 47.300 |
| 37 | Marcus Valle Slemmestad og Omegn |
10.950 | 2.550 | 6.200 | 10.650 | 11.450 | 4.950 | 46.750 |
| 38 | Trym Tjøstheim Njård Turn |
—— | 7.050 | 10.600 | 10.050 | 10.000 | 6.950 | 44.650 |
| 39 | Tage Gullbrandsson Oslo Turnforening |
—— | 10.100 | 11.050 | —— | 11.950 | 10.400 | 43.500 |
| 40 | Filip Noraas Stavanger Turnforening |
—— | 10.650 | 10.800 | —— | 11.450 | 10.350 | 43.250 |
| 41 | Elias Helland Tromsø Turnforening |
—— | 10.450 | 10.300 | —— | 11.200 | 9.300 | 41.250 |
| 42 | Jacob Andersen Oslo Turnforening |
—— | 10.100 | 10.950 | —— | 11.100 | 9.050 | 41.200 |
| 43 | Laurits Laake Njård Turn |
—— | 9.900 | 9.250 | —— | 11.050 | 10.150 | 40.350 |
| 44 | Daniel Metha-Andresen Nordstrand Turnforening |
11.900 | 10.450 | —— | 12.100 | —— | 4.250 | 38.700 |
| 45 | Tarald McFadzean Kristiansands Turnforening |
9.900 | 1.600 | 5.200 | 10.500 | 5.100 | 1.100 | 33.400 |
| 46 | Kasper Dale Trondhjems Turnforening |
—— | —— | 10.850 | —— | 10.800 | 10.350 | 32.000 |
| 47 | Gardar Fjøsne-Knudsen Njård Turn |
10.850 | —— | —— | 10.000 | —— | 8.650 | 29.500 |
| 48 | Jonas Brandal IL Hødd |
—— | 8.100 | 9.800 | —— | 10.850 | —— | 28.750 |
Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Ivan Maltsev | Oslo Turnforening | 3.9 | 8.700 | 12.600 | |
| 2 | Laurits Hegbom | Oslo Turnforening | 3.9 | 8.650 | 12.550 | |
| 3 | William Sønsteng | Hoppensprett | 3.9 | 8.400 | 12.300 | |
| 4 | Jonas Dølvik | Fana-Laksevåg | 3.9 | 8.350 | 12.250 | |
| 5 | Joshua Ifeanyi | Njård Turn | 4.3 | 7.550 | 11.850 | |
| 6 | Herman Sørensen | Hoppensprett | 3.9 | 7.650 | 11.550 | |
| 7 | Sebastian Dyngeland | Stavanger Turnforening | 4.0 | 7.500 | 11.500 |
Pommels Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Sebastian Sponevik | Hoppensprett | 4.4 | 7.200 | 11.600 | |
| 2 | Trym Berge-Johansen | Tromsø Turnforening | 2.4 | 8.650 | 11.050 | |
| 3 | Magnus Nygaard-Damm | Oslo Turnforening | 2.7 | 8.000 | 10.700 | |
| 4 | Elias Helland | Tromsø Turnforening | 2.4 | 8.200 | 10.600 | |
| 5 | Filip Noraas | Stavanger Turnforening | 3.6 | 6.800 | 10.400 | |
| 6 | Elias Engen | Tromsø Turnforening | 2.5 | 7.850 | 10.350 | |
| 7 | Daniel Metha-Andresen | Nordstrand Turnforening | 2.4 | 7.600 | 10.000 |
Rings Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Sebastian Sponevik | Hoppensprett | 4.3 | 8.000 | 12.300 | |
| 2 | Petter Steinsvik-Nilsen | Oslo Turnforening | 3.3 | 8.550 | 11.850 | |
| 3 | Jakob Kvamsøe | Bergens Turnforening | 3.4 | 8.600 | -0.3 | 11.700 |
| 4 | Ivan Maltsev | Oslo Turnforening | 2.8 | 8.800 | -0.3 | 11.300 |
| Leon Sønsteng | Hoppensprett | 2.9 | 8.700 | -0.3 | 11.300 | |
| 6 | Aleksander Lundekvam | Sotra SK Turn | 2.8 | 7.950 | 10.750 |
Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Philip Hauge | Stavanger Turnforening | 4.0 | 8.800 | 12.800 | 12.625 | |
| 3.2 | 9.250 | 12.450 | |||||
| 2 | Sebastian Sponevik | Hoppensprett | 4.8 | 8.800 | -0.1 | 13.500 | 12.600 |
| 2.4 | 9.300 | 11.700 | |||||
| 3 | Jakob Kvamsøe | Bergens Turnforening | 4.0 | 8.800 | 12.800 | 12.450 | |
| 2.8 | 9.300 | 12.100 | |||||
| 4 | Petter Steinsvik-Nilsen | Oslo Turnforening | 4.0 | 8.650 | 12.650 | 11.750 | |
| 2.4 | 8.450 | 10.850 | |||||
| 5 | Joshua Ifeanyi | Njård Turn | 3.2 | 8.850 | 12.050 | 11.725 | |
| 2.4 | 9.000 | 11.400 | |||||
| 6 | Daniel Metha-Andresen | Nordstrand Turnforening | 3.2 | 8.850 | 12.050 | 11.625 | |
| 2.4 | 8.800 | 11.200 |
P-Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Sebastian Sponevik | Hoppensprett | 3.9 | 9.200 | 13.100 | |
| 2 | Jakob Kvamsøe | Bergens Turnforening | 3.2 | 9.000 | 12.200 | |
| 3 | Mikal Hammersland | Sotra SK Turn | 3.0 | 9.050 | 12.050 | |
| Laurits Hegbom | Oslo Turnforening | 3.1 | 8.950 | 12.050 | ||
| Petter Steinsvik-Nilsen | Oslo Turnforening | 3.4 | 8.650 | 12.050 | ||
| 6 | Joshua Ifeanyi | Njård Turn | 3.0 | 8.300 | 11.300 | |
| 7 | Philip Hauge | Stavanger Turnforening | 3.1 | 7.800 | 10.900 |
High Bar Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Sebastian Sponevik | Hoppensprett | 3.8 | 8.500 | 12.300 | |
| 2 | Jakob Kvamsøe | Bergens Turnforening | 3.5 | 8.350 | 11.850 | |
| 3 | Herman Sørensen | Hoppensprett | 3.1 | 8.450 | 11.550 | |
| 4 | Elias Engen | Tromsø Turnforening | 3.0 | 8.000 | 11.000 | |
| 5 | Petter Steinsvik-Nilsen | Oslo Turnforening | 3.2 | 7.550 | 10.750 | |
| 6 | Magnus Nygaard-Damm | Oslo Turnforening | 3.3 | 6.250 | 9.550 |