 Ungmennafélagið Fjölnir |
| Address: | Fossaleyni 1 - 112 Reykjavík |
| Telephone: | 578 2700 |
| Founded: | 1988 |
| President: | Jón Karl ÓLAFSSON |
| Official website: | www.fjolnir.is |
| E-mail: | skrifstofa@fjolnir.is |
| Manager: | Úlfur JÖKULSSON |
| Name: | Fjölnisvöllur |
| Capacity: | 1,030 |
| 1. deild 2025 | |
|
| 16-May-2025 | 1. deild (3) | Fjölnir | 1-1 | Fylkir |
| 24-May-2025 | 1. deild (4) | Völsungur | 2-1 | Fjölnir |
| 30-May-2025 | 1. deild (5) | Fjölnir | 0-3 | ÍR |
| 04-Jun-2025 | 1. deild (6) | Njarðvík | 1-1 | Fjölnir |
| 09-Jun-2025 | 1. deild (7) | Fjölnir | 0-2 | Selfoss |
| 13-Jun-2025 | 1. deild (8) | HK | 3-0 | Fjölnir |
| 19-Jun-2025 | 1. deild (9) | Þróttur | 1-4 | Fjölnir |
| 27-Jun-2025 | 1. deild (10) | Fjölnir | 0-5 | Þór |
| 04-Jul-2025 | 1. deild (11) | Leiknir R | - | Fjölnir |
| 11-Jul-2025 | 1. deild (12) | Fjölnir | - | Grindavík |
| 18-Jul-2025 | 1. deild (13) | Keflavík | - | Fjölnir |
| 25-Jul-2025 | 1. deild (14) | Fylkir | - | Fjölnir |
| 30-Jul-2025 | 1. deild (15) | Fjölnir | - | Völsungur |
| 08-Aug-2025 | 1. deild (16) | ÍR | - | Fjölnir |
| 13-Aug-2025 | 1. deild (17) | Fjölnir | - | Njarðvík |
| 17-Aug-2025 | 1. deild (18) | Selfoss | - | Fjölnir |
