| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Valur | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2025 | Valur | League Cup | 5 | 0 | 0 | 1 | 0 | – |
| 2025 | Valur | Reykjavik Cup | 3 | 0 | 0 | 0 | 1 | – |
| 2024 | Valur | Icelandic Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2023 | Hafnarfjordur | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Sogndal | NM Cup | 2 | 0 | 0 | 1 | 0 | – |
| 2021 | Hafnarfjordur | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021 | Hafnarfjordur | Fotbolti.net Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021 | Akranes | Fotbolti.net Cup | 1 | 1 | 0 | 0 | 0 | – |
| 2020 | Hafnarfjordur | Icelandic Cup | 1 | 0 | 0 | 1 | 0 | – |
| 2019 | Akranes | League Cup | 2 | 1 | 0 | 0 | 0 | – |
| Total | 21 | 2 | 0 | 3 | 1 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Hafnarfjordur | Valur | Loan | |
| 04 jul 2023 | Sogndal | Hafnarfjordur | Transfer | |
| - | Akranes | Sogndal | Transfer | |
| - | Hafnarfjordur | Akranes | ||
| - | Akranes | Hafnarfjordur | Transfer | |
| - | Hafnarfjordur | Akranes | Free agent | |
| - | Kopavogur | Hafnarfjordur | Return from loan | |
| - | Hafnarfjordur | Kopavogur | Loan | |
| - | Olafsvik | Hafnarfjordur | Return from loan | |
| - | Hafnarfjordur | Olafsvik | Loan |
H. Gunnarsson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.