Head to Head
| Island - 1 Deild | 2024/05/01 19:15 | Grindavik v Fjolnir | W | 2-3 |
| Island - 1 Deild | 2023/08/21 18:00 | Fjolnir v Grindavik | W | 5-1 |
| Island - 1 Deild | 2023/06/15 19:15 | Grindavik v Fjolnir | W | 0-1 |
| Island - 1 Deild | 2022/08/18 18:00 | Fjolnir v Grindavik | W | 4-3 |
| Island - 1 Deild | 2022/06/09 19:15 | Grindavik v Fjolnir | D | 2-2 |
| Island - 1 Deild | 2021/07/28 19:15 | Fjolnir v Grindavik | W | 2-1 |
| Island - 1 Deild | 2021/05/21 19:15 | Grindavik v Fjolnir | W | 0-2 |
| Island - Premier League | 2018/09/16 14:00 | Grindavik v Fjolnir | W | 0-1 |
Home History
| Island - 1 Deild | 2024/06/01 16:00 | IBV Vestmannaeyjar v Fjolnir | D | 2-2 |
| Island - 1 Deild | 2024/05/23 18:00 | Fjolnir v Throttur Reykjavik | W | 3-1 |
| Island - 1 Deild | 2024/05/18 16:30 | Dalvik/Reynir v Fjolnir | D | 0-0 |
| Island - Cup | 2024/05/14 17:00 | Fjolnir v Thor Akureyri | L | 0-2 |
| Island - 1 Deild | 2024/05/10 18:00 | Fjolnir v Leiknir Reykjavik | W | 1-0 |
| Island - 1 Deild | 2024/05/01 19:15 | Grindavik v Fjolnir | W | 2-3 |
| Island - Cup | 2024/04/23 19:15 | Fjolnir v UMF Selfoss | W | 4-2 |
| Island - Cup | 2024/04/13 15:00 | KH Hlidarendi v Fjolnir | W | 2-4 |
Away History
| Island - 1 Deild | 2024/05/31 19:15 | Grindavik v Keflavik | D | 2-2 |
| Island - 1 Deild | 2024/05/25 13:00 | Afturelding v Grindavik | D | 1-1 |
| Island - 1 Deild | 2024/05/20 14:00 | Grindavik v Grotta Seltjarnarnes | D | 2-2 |
| Island - Cup | 2024/05/16 19:15 | Grindavik v Vikingur Reykjavik | L | 1-4 |
| Island - 1 Deild | 2024/05/01 19:15 | Grindavik v Fjolnir | L | 2-3 |
| Island - Cup | 2024/04/25 14:00 | IBV Vestmannaeyjar v Grindavik | W | 1-2 |
| Island - Cup | 2024/04/12 19:15 | Hviti Riddarinn v Grindavik | W | 0-3 |
| Island - Ligacupen | 2024/03/01 18:15 | Keflavik v Grindavik | D | 3-3 |