| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Valur | League Cup | 1 | 0 | 0 | 0 | 1 | – |
| 2023/2024 | Kifisia | Greek Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Olympiacos Piraeus | Greek Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Olympiacos Piraeus | Greek Cup | 3 | 0 | 0 | 1 | 0 | – |
| 2019/2020 | AEL Larissa | Greek Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | AEL Larissa | Greek Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2015/2016 | Hammarby | Svenska Cupen | 2 | 0 | 0 | 0 | 0 | – |
| 2014 | Fram | League Cup | 1 | 0 | 0 | 1 | 0 | – |
| Total | 14 | 0 | 0 | 2 | 1 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | Kifisia | Valur | Free agent | |
| - | Olympiacos Piraeus | Kifisia | Free agent | |
| 08 Mar 2020 | AEL Larissa | Olympiacos Piraeus | Transfer | |
| 08 Feb 2018 | Excelsior | AEL Larissa | Free agent | |
| - | Hammarby | Excelsior | ||
| - | Randers FC | Hammarby | Free agent | |
| - | Fram | Randers FC |
O. Kristinsson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.