Head to Head
| Iceland Cup | 2020/06/24 19:15 | Fjolnir v UMF Selfoss | W | 3-2 |
| Iceland League Cup | 2017/03/11 17:15 | Fjolnir v UMF Selfoss | L | 2-4 |
| Iceland League Cup | 2015/03/08 17:00 | Fjolnir v UMF Selfoss | L | 2-3 |
Home History
| Iceland League Cup | 2021/03/13 15:00 | Fjolnir v IBV Vestmannaeyjar | L | 1-3 |
| Iceland League Cup | 2021/03/05 20:00 | Fjolnir v Breidablik | L | 1-3 |
| Iceland League Cup | 2021/02/28 16:00 | Fjolnir v Leiknir Reykjavik | W | 4-3 |
| Iceland League Cup | 2021/02/21 15:00 | Fjolnir v Fylkir Reykjavik | L | 1-4 |
| Iceland League Cup | 2021/02/12 18:00 | Throttur Reykjavik v Fjolnir | L | 4-3 |
| Iceland Pre-Season Cup | 2021/01/30 17:00 | Fjolnir v Fylkir Reykjavik | L | 2-3 |
| Iceland Pre-Season Cup | 2021/01/19 19:00 | KR Reykjavik v Fjolnir | L | 3-2 |
| Iceland Premier League | 2020/10/04 17:00 | Stjarnan v Fjolnir | L | 1-0 |
Away History
| Iceland League Cup | 2021/03/13 14:00 | UMF Selfoss v Stjarnan | W | 2-1 |
| Iceland League Cup | 2021/03/07 11:00 | UMF Selfoss v IF Vestri | W | 1-0 |
| Iceland League Cup | 2021/02/28 18:00 | Keflavik v UMF Selfoss | L | 2-0 |
| Iceland League Cup | 2021/02/20 14:00 | UMF Selfoss v Grotta Seltjarnarnes | L | 0-2 |
| Iceland League Cup | 2021/02/13 12:00 | IA Akranes v UMF Selfoss | L | 3-1 |
| Iceland Pre-Season Cup | 2021/01/23 13:00 | UMF Selfoss v IBV Vestmannaeyjar | W | 2-1 |
| Iceland 2 Deild | 2020/10/03 14:00 | IR Reykjavik v UMF Selfoss | W | 1-2 |
| Iceland 2 Deild | 2020/09/27 15:00 | UMF Selfoss v KF Fjallabyggd | W | 3-2 |