O. Kjartansson
Midfielder · 
Iceland U21
Iceland U21 Career
| Season | Club | Apps | Goals | A | Rating |
|---|---|---|---|---|---|
| 25/26 | Iceland U21 · UEFA U21 Championship - Qualification | 0 | 0 | 0 | |
| 24/25 |  Valur Reykjavik · Úrvalsdeild | 0 | 0 | 0 | |
| 23/24 | Iceland U21 · UEFA U21 Championship - Qualification | 1 | 0 | 0 | |
| 22/23 | Valur Reykjavik · Úrvalsdeild | 21 | 1 | 0 | |
| 21/22 |  Fylkir · Úrvalsdeild | 23 | 5 | 0 | |
| 20/21 |  Iceland U19 · UEFA U19 Championship | 3 | 1 | 0 | |
| 18/19 | Fylkir · Úrvalsdeild | 0 | 0 | 0 |
Transfers 6
| Date | Club | Type |
|---|---|---|
| Aug 5, 2025 | KR Reykjavik from Valur Reykjavik | Transfer |
| Aug 4, 2025 | KR Reykjavik from Valur Reykjavik | Free agent |
| Aug 14, 2024 | Valur Reykjavik from Fylkir | |
| Aug 12, 2024 | Valur Reykjavik from Fylkir | Return from loan |
| Apr 5, 2024 | Fylkir from Valur Reykjavik | Loan |
| Feb 17, 2022 | Valur Reykjavik from Fylkir |