See Key for column definitions.
| Team | Competition | Starts | Subs | Subbed | Total | Mins | MPG | Rating |
| Iceland U21 | UEFA U21 Championship - Qualification | 0 | 1 | 1 | 7 | 552 | 78.9 | |
| Aalesunds FK | 1. Division | 0 | 2 | 1 | 12 | 753 | 62.8 | 6.72 |
| Aalesunds FK | NM Cupen | 0 | 0 | 2 | 3 | 222 | 74.0 | 6.51 |
| Totals | | 0 | 3 | 4 | 22 | 1,527 | 69.4 | 6.68 |
Key to column names
See Key for column definitions.
| Team | Competition | Appearances | Goals | GPG | MPG | Assists | Shots | On T | Off T | SPG | Dribbles | Passes | Acc | Fouled |
| Iceland U21 | UEFA U21 Championship - Qualification | 7 | 0 | | | 0 | 0 | 0 | 0 | N/A | 0 | | | 0 |
| Aalesunds FK | 1. Division | 12 | 1 | 12.0 | 753 | 0 | 3 | 1 | 2 | 3 | 0 | 466 | 82 | 0 |
| Aalesunds FK | NM Cupen | 3 | 0 | | | 0 | 0 | 0 | 0 | N/A | 0 | 77 | 67 | 0 |
| Totals | | 22 | 1 | | | 0 | 3 | 1 | 2 | 3 | 0 | 543 | 149 | 0 |
Key to column names
- GPG
- Goals per game
- MPG
- Minutes per goal
- SPG
- Shots per goal
- On T
- Shots on Target
- Off T
- Shots off Target
- Acc
- Accurate passes
| Team |
Competition |
Appearances |
Conceded | Saves | Tackles | Blocks | Interceptions | Duels Won | Duels Lost | Fouls Committed |
| Iceland U21 | UEFA U21 Championship - Qualification | 7 | | | 0 | 0 | 0 | 0 | 0 | 0 |
| Aalesunds FK | 1. Division | 12 | 5 | 0 | 2 | 1 | 10 | 0 | 0 | 0 |
| Aalesunds FK | NM Cupen | 3 | 1 | 0 | 3 | 0 | 6 | 0 | 0 | 0 |
| Totals | | 22 | 6 | 0 | 5 | 1 | 16 | 0 | 0 | 0 |
The total yellow and red cards received by Ó. Guðmundsson in each competition are shown below.