The 2018 Icelandic Championships were held from April 7 through April 8 in Reykjavik, Iceland.
Senior All-Around Results
| Rank | Athlete | Club | FX | PH | SR | VT | PB | HB | AA |
| 1 | Valgard Reinhardsson | Gerpla | 12.500 | 11.466 | 12.933 | 13.200 | 11.433 | 12.700 | 74.232 |
| 2 | Eythor Baldursson | Gerpla | 12.933 | 10.900 | 11.666 | 13.366 | 12.266 | 11.566 | 72.697 |
| 3 | Stefán Ingarsson | Björk | 11.866 | 9.300 | 10.666 | 12.366 | 12.200 | 11.033 | 67.431 |
| 4 | Arnór Másson | Gerpla | 11.933 | 10.900 | 9.266 | 11.000 | 11.233 | 9.733 | 64.065 |
| 5 | Gudjón Hildarson | Gerpla | 12.466 | 5.666 | 10.666 | 13.466 | 11.366 | 10.166 | 63.796 |
| 6 | Atli Jónsson | Gerpla | 12.166 | 6.466 | 10.233 | 11.766 | 10.833 | 11.266 | 62.730 |
| 7 | Leo Björnsson | Gerpla | 11.533 | 10.733 | 5.133 | 11.333 | 12.033 | 9.633 | 60.398 |
| 8 | Frosti Hlynsson | Gerpla | —— | —— | 10.200 | —— | 11.600 | 7.900 | 29.700 |
| 9 | Arnthór Jónsson | Gerpla | —— | 11.000 | —— | —— | —— | —— | 11.000 |
| 10 | Hafthór Birgisson | Gerpla | —— | —— | 9.400 | —— | —— | —— | 9.400 |
| 11 | Atli Thorarensen | Gerpla | —— | 6.466 | —— | —— | —— | —— | 6.466 |
Senior Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Valgard Reinhardsson | Gerpla | 4.8 | 8.250 | 13.050 | |
| 2 | Eythór Baldursson | Gerpla | 4.8 | 7.700 | 12.500 | |
| 3 | Arnór Másson | Gerpla | 4.0 | 7.400 | -0.1 | 11.300 |
| 4 | Gudjón Hildarson | Gerpla | 4.3 | 7.300 | -0.4 | 11.200 |
| 5 | Atli Jónsson | Gerpla | 4.3 | 5.750 | 10.050 |
Senior Pommels Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Arnthór Jónsson | Gerpla | 4.4 | 7.750 | 12.150 | |
| 2 | Valgard Reinhardsson | Gerpla | 3.3 | 8.800 | 12.100 | |
| 3 | Eythór Baldursson | Gerpla | 2.8 | 8.400 | 11.200 | |
| 4 | Arnór Másson | Gerpla | 3.7 | 7.450 | 11.150 | |
| 5 | Leo Björnsson | Gerpla | 2.9 | 6.100 | -4.0 | 5.000 |
Senior Rings Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Valgard Reinhardsson | Gerpla | 4.4 | 8.150 | 12.550 | |
| 2 | Eythór Baldursson | Gerpla | 4.0 | 8.400 | 12.400 | |
| 3 | Atli Jónsson | Gerpla | 3.2 | 8.250 | -0.3 | 11.150 |
| 4 | Stefán Ingvarsson | Björk | 3.5 | 7.800 | -0.3 | 11.000 |
| 5 | Gudjón Hildarson | Gerpla | 2.7 | 8.050 | -0.3 | 10.450 |
Senior Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Eythór Baldursson | Gerpla | 4.4 | 9.000 | 13.400 | 13.375 | |
| 4.0 | 9.350 | 13.350 | |||||
| 2 | Gudjón Hildarson | Gerpla | 4.4 | 9.050 | 13.450 | 13.200 | |
| 4.0 | 8.950 | 12.950 | |||||
| 3 | Stefán Ingvarsson | Björk | 3.2 | 9.200 | 12.400 | 12.125 | |
| 2.8 | 9.050 | 11.850 | |||||
| 4 | Atli Jónsson | Gerpla | 4.0 | 7.750 | -0.3 | 11.450 | 11.550 |
| 2.4 | 9.250 | 11.650 | |||||
| 5 | Leo Björnsson | Gerpla | 3.2 | 8.700 | 11.900 | 11.500 | |
| 2.4 | 8.700 | 11.100 |
Senior P-Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Valgard Reinhardsson | Gerpla | 4.7 | 7.750 | 12.450 | |
| 2 | Eythór Baldursson | Gerpla | 3.4 | 8.800 | 12.200 | |
| 3 | Stefán Ingvarsson | Björk | 3.3 | 8.850 | 12.150 | |
| 4 | Leo Björnsson | Gerpla | 2.8 | 9.000 | 11.800 | |
| 5 | Gudjón Hildarson | Gerpla | 2.3 | 8.650 | 10.950 |
Senior High Bar Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Valgard Reinhardsson | Gerpla | 4.6 | 7.550 | 12.150 | |
| 2 | Eythór Baldursson | Gerpla | 3.6 | 8.000 | 11.600 | |
| 3 | Stefán Ingvarsson | Björk | 2.6 | 8.300 | 10.900 | |
| 4 | Atli Jónsson | Gerpla | 2.7 | 7.400 | 10.100 | |
| 5 | Gudjón Hildarson | Gerpla | 2.0 | 7.900 | 9.900 |
Junior All-Around Results
| Rank | Athlete | Club | FX | PH | SR | VT | PB | HB | AA |
| 1 | Martin Gudmundsson | Gerpla | 12.833 | 11.133 | 12.233 | 13.933 | 11.700 | 12.100 | 73.932 |
| 2 | Jónas Thórisson | Armann | 12.200 | 10.900 | 11.066 | 14.000 | 12.233 | 10.300 | 70.699 |
| 3 | Breki Snorrason | Björk | 11.566 | 10.000 | 11.833 | 12.266 | 11.233 | 10.800 | 67.698 |
| 4 | Dagur Ólafsson | Gerpla | 11.633 | 11.200 | 10.133 | 11.000 | 9.966 | 9.700 | 63.632 |
| 5 | Agúst Davídsson | Gerpla | 11.933 | 8.333 | 11.366 | 11.533 | 10.133 | 10.333 | 63.631 |
| 6 | Valdimar Matthíasson | Gerpla | 12.000 | 6.100 | 10.100 | 10.800 | 10.133 | 3.900 | 53.033 |
| 7 | Orri Andrésson | Björk | 12.333 | 7.766 | 9.733 | 10.700 | —— | —— | 40.532 |
| 8 | Atli Valgeirsson | Armann | —— | 6.566 | 9.700 | —— | 9.366 | 8.066 | 33.698 |
| 9 | Hrafnkell Axelsson | Gerpla | —— | 10.433 | —— | —— | —— | —— | 10.433 |
Junior Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Martin Gudmundsson | Gerpla | 4.9 | 7.500 | 12.400 | |
| 2 | Jónas Thórisson | Armann | 4.3 | 7.900 | 12.200 | |
| 3 | Valdimar Matthíasson | Gerpla | 3.6 | 7.950 | 11.550 | |
| 4 | Orri Andrésson | Björk | 3.9 | 7.650 | -0.4 | 11.150 |
| 5 | Agúst Davídsson | Gerpla | 3.7 | 6.550 | 10.250 |
Junior Pommels Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Dagur Ólafsson | Gerpla | 3.8 | 8.550 | 12.350 | |
| 2 | Hrafnkell Axelsson | Gerpla | 3.8 | 7.450 | 11.250 | |
| 3 | Martin Gudmundsson | Gerpla | 3.2 | 7.950 | 11.150 | |
| 4 | Jónas Thórisson | Armann | 3.8 | 6.700 | 10.500 | |
| 5 | Breki Snorrason | Björk | 2.9 | 7.200 | 10.100 |
Junior Rings Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Agúst Davídsson | Gerpla | 3.7 | 7.800 | 11.500 | |
| 2 | Martin Budmundsson | Gerpla | 4.0 | 7.400 | 11.400 | |
| 3 | Jónas Thórisson | Armann | 3.0 | 8.150 | 11.150 | |
| 4 | Breki Snorrason | Björk | 3.7 | 7.700 | -0.3 | 11.100 |
| 5 | Dagur Ólafsson | Gerpla | 2.1 | 6.500 | -0.3 | 8.300 |
Junior Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Martin Budmundsson | Gerpla | 4.8 | 8.900 | 13.700 | 13.475 | |
| 4.0 | 9.250 | 13.250 | |||||
| 2 | Jónas Thórisson | Armann | 4.8 | 9.000 | 13.800 | 13.375 | |
| 4.0 | 8.950 | 12.950 | |||||
| 3 | Agúst Davídsson | Gerpla | 2.8 | 9.050 | 11.850 | 11.750 | |
| 2.4 | 9.250 | 11.650 | |||||
| 4 | Breki Snorrason | Björk | 3.2 | 8.750 | 11.950 | 11.600 | |
| 2.4 | 8.850 | 11.250 | |||||
| 5 | Orri Andrésson | Björk | 2.4 | 9.100 | 11.500 | 11.250 | |
| 2.0 | 9.000 | 11.000 |
Junior P-Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Martin Gudmundsson | Gerpla | 3.6 | 8.550 | 12.150 | |
| 2 | Jónas Thórisson | Armann | 3.6 | 8.450 | 12.050 | |
| 3 | Agúst Davídsson | Gerpla | 3.4 | 7.900 | 11.300 | |
| 4 | Breki Snorrason | Björk | 3.1 | 8.100 | 11.200 | |
| 5 | Valdimar Matthíasson | Gerpla | 2.3 | 5.950 | 8.250 |
Junior High Bar Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Martin Gudmundsson | Gerpla | 3.6 | 8.500 | 12.100 | |
| 2 | Jónas Thórisson | Armann | 3.4 | 7.950 | 11.350 | |
| 3 | Dagur Ólafsson | Gerpla | 2.9 | 8.000 | 10.900 | |
| 4 | Agúst Davídsson | Gerpla | 2.7 | 8.150 | 10.850 | |
| 5 | Breki Snorrason | Björk | 3.3 | 7.300 | 10.600 |