The 2023 GK Championships were held on May 7 in Kopavagur, Iceland.
Senior All-Around Results
| Rank | Athlete | FX | PH | SR | VT | PB | HB | AA |
| 1 | Dagur Olafsson Gerpla |
12.566 | 13.766 | 11.866 | 14.100 | 13.633 | 11.733 | 77.664 |
| 2 | Martin Gudmundsson Gerpla |
13.400 | 10.733 | 12.600 | 14.333 | 12.433 | 12.366 | 75.865 |
| 3 | Agust Davidsson Gerpla |
13.033 | 11.700 | 11.300 | 13.133 | 12.766 | 12.100 | 74.032 |
| 4 | Atli Valgeirsson Gerpla |
12.666 | 10.133 | 12.166 | 13.333 | 11.966 | 11.566 | 71.830 |
| 5 | Sigurdur Stefansson Gerpla |
12.400 | 10.300 | 9.000 | 13.166 | 11.766 | 11.733 | 68.365 |
| 6 | Arnthor Jonasson Gerpla |
12.400 | 13.466 | —— | —— | —— | —— | 25.866 |
| 7 | Jonas Thorisson Gerpla |
12.400 | —— | —— | —— | —— | —— | 12.400 |
Junior All-Around Results
| Rank | Athlete | FX | PH | SR | VT | PB | HB | AA |
| 1 | Lukas Ragnarsson Björk |
11.566 | 10.433 | 11.566 | 12.566 | 11.200 | 10.933 | 68.264 |
| 2 | David Johannsson Björk |
11.300 | 9.900 | 10.633 | 12.266 | 10.600 | 10.466 | 65.165 |
| 3 | Stefan Karason Björk |
11.500 | 10.566 | 10.200 | 12.100 | 8.633 | 10.600 | 63.599 |
| 4 | Ari Kristinsson Björk |
11.166 | 8.033 | 10.433 | 11.266 | 12.466 | 9.166 | 62.530 |
| 5 | Gunnar Steindorsson Armann |
11.366 | 8.400 | 9.666 | 11.233 | 10.566 | 10.333 | 61.564 |
| 6 | Snorri Davidsson Gerpla |
10.633 | 10.766 | 9.100 | 11.100 | 10.166 | 6.700 | 58.465 |
| 7 | Bjartthor Alexandersson Björk |
10.233 | 9.333 | 10.166 | 10.933 | 10.300 | 6.233 | 57.198 |
| 8 | Gunnar Jonasson Björk |
9.100 | 1.033 | 8.900 | 10.766 | 8.933 | 5.433 | 44.165 |
| 9 | Rökkvi Karason Armann |
—— | 1.406 | 5.800 | 12.266 | 11.633 | 10.366 | 41.471 |
| 10 | Erik Bjarnason Armann |
11.166 | —— | 9.200 | —— | —— | —— | 20.366 |
| 11 | Björn Hauksson Björk |
—— | 6.800 | —— | —— | 11.000 | —— | 17.800 |
| 12 | Ulfar Eyjolfsson Armann |
10.800 | 4.766 | —— | —— | —— | —— | 15.566 |
| 13 | Jon Benediktsson Armann |
—— | —— | —— | —— | 4.566 | —— | 4.566 |