| FideId | Nafn | RatingStd | +- | Flokkur | Kyn | Félag | Club id | Virkur |
|---|---|---|---|---|---|---|---|---|
| N/A | Nökkvi Dan Elliðason | 0 | 21-49 | Karl | TV | 32 | ✘ | |
| 2322544 | Nökkvi Hólm Brynjarsson | 1506 | U16 | Karl | Breiðablik | 27 | ✔ | |
| 2332370 | Nökkvi Már Valsson | 1579 | U12 | Karl | SA | 16 | ✔ | |
| N/A | Nökkvi Snær Kristjánsson | 0 | 21-49 | Karl | TR | 30 | ✘ | |
| 2304376 | Nökkvi Sverrisson | 2070 | 21-49 | Karl | TV | 32 | ✘ | |
| N/A | Oddbergur Sveinsson | 0 | 21-49 | Karl | Utan félaga | 51 | ✘ | |
| 2306816 | Oddgeir Ottesen | 1879 | S50 | Karl | KR | 12 | ✔ | |
| 2320959 | Oddgeir Reynisson | 0 | S50 | Karl | Utan félaga | 51 | ✔ | |
| 2321700 | Oddur Ingimarsson | 1858 | 21-49 | Karl | KR | 12 | ✔ | |
| 2321483 | Oddur Sigurðarson | 1665 | 21-49 | Karl | 64 Mislyndir Biskupar | 52 | ✘ | |
| 2303523 | Oddur Tómas Oddsson | 1657 | 21-49 | Karl | SSON | 25 | ✘ | |
| 2321033 | Oddur Þorri Viðarsson | 1579 | 21-49 | Karl | SSON | 25 | ✘ | |
| 2310767 | Oddur Þór Unnsteinsson | 1524 | 21-49 | Karl | TG | 28 | ✘ | |
| 148061879 | Oleksandr Matlak | 2235 | S50 | Karl | Goðinn | 48 | ✘ | |
| 14100487 | Oleksandr Sulypa | 2450 | S50 | Karl | TR | 30 | ✔ | |
| 2323435 | Olena Tkachuk | 0 | 21-49 | Karl | Goðinn | 48 | ✔ | |
| 14121093 | Olga Prudnykova | 2271 | 21-49 | Kona | TR | 30 | ✘ | |
| N/A | Olgeir Jóhannesson | 0 | S65 | Karl | Utan félaga | 51 | ✘ | |
| 2305623 | Oliver Aron Jóhannesson | 2262 | 21-49 | Karl | Fjölnir | 3 | ✔ | |
| 4602897 | Oliver Bewersdorff | 2221 | S50 | Karl | TR | 30 | ✘ | |
| 2321963 | Oliver Kovácik | 1953 | 2 | U14 | Karl | Breiðablik | 27 | ✔ |
| 2329093 | Oliver Másson | 0 | 21-49 | Karl | TR | 30 | ✔ | |
| 2315580 | Olof Bergvinsdottir | 0 | U20 | Kona | Utan félaga | 51 | ✔ | |
| 10601279 | Omar Salama | 2187 | 21-49 | Karl | TR | 30 | ✘ | |
| 2310155 | Orri Árnason | 0 | S50 | Karl | Utan félaga | 51 | ✔ | |
| 2303515 | Orri Freyr Oddsson | 0 | 21-49 | Karl | Goðinn | 48 | ✔ | |
| N/A | Orri Freyr Þorkelsson | 0 | 21-49 | Karl | Haukar | 5 | ✘ | |
| N/A | Orri Gunnarsson | 0 | 21-49 | Karl | TG | 28 | ✘ | |
| 2315300 | Orri Hilmarsson | 0 | 21-49 | Karl | Vinaskákfélagið | 19 | ✔ | |
| N/A | Orri Óli Emmanuelson | 0 | 21-49 | Karl | TG | 28 | ✘ | |
| N/A | Ottó Bjarki Arnar | 0 | 21-49 | Karl | TR | 30 | ✘ | |
| 2328089 | Ottó Páll Arnarson | 0 | S50 | Karl | Goðinn | 48 | ✔ | |
| 2335816 | Óðinn Darri Hjálmarsson | 1507 | 20 | U12 | Karl | Utan félaga | 51 | ✔ |
| N/A | Óðinn Gunnarsson | 0 | S50 | Karl | TG | 28 | ✘ | |
| 2310368 | Óðinn Örn Jakobsen | 1510 | 21-49 | Karl | Breiðablik | 27 | ✘ | |
| N/A | Ólafur Alexander Andrason | 0 | U18 | Karl | KR | 12 | ✔ | |
| N/A | Ólafur Árnason | 0 | S50 | Karl | TR | 30 | ✘ | |
| 2305178 | Ólafur Ásgrímsson | 1687 | S65 | Karl | TR | 30 | ✔ | |
| 2300869 | Ólafur B Þórsson | 2165 | S50 | Karl | Snóker og poolstofan | 54 | ✔ | |
| 2316501 | Ólafur Bjarnason | 1932 | S65 | Karl | KR | 12 | ✘ | |
| N/A | Ólafur Danivalsson | 0 | S65 | Karl | Utan félaga | 51 | ✘ | |
| 2304481 | Ólafur Evert Úlfsson | 1883 | 21-49 | Karl | Hrókar alls fagnaðar | 44 | ✔ | |
| N/A | Ólafur F Þorsteinsson | 0 | S50 | Karl | TG | 28 | ✘ | |
| 2317575 | Ólafur Fannar Pétursson | 1404 | U18 | Karl | Breiðablik | 27 | ✘ | |
| N/A | Ólafur Freyr Jónsson | 0 | 21-49 | Karl | TG | 28 | ✘ | |
| N/A | Ólafur Freyr Ólafsson | 0 | 21-49 | Karl | TV | 32 | ✘ | |
| 2302705 | Ólafur Gísli Jónsson | 1825 | S65 | Karl | KR | 12 | ✔ | |
| 2308940 | Ólafur Guðmundsson | 1858 | S50 | Karl | TG | 28 | ✘ | |
| N/A | Ólafur Guðmundsson | 0 | S50 | Karl | Víkingaklúbburinn | 37 | ✘ | |
| 2304902 | Ólafur Gunnar Ingason | 1842 | S65 | Karl | Breiðablik | 27 | ✘ |