| Youth Youth League 2017/2018 - Appearances as Referee |  |
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 |
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| 13/09/2017 | Liverpool FC | - | Sevilla FC | 4:0 | 4 | - | - |
| 07/02/2018 | FK Krasnodar | - | Real Madrid | 0:3 pso | 3 | - | - |
| Youth Youth League 2017/2018 - Appearances as Referee | |
|
|
||||
| 13/09/2017 | Liverpool FC | - | Sevilla FC | 4:0 | 4 | - | - |
| 07/02/2018 | FK Krasnodar | - | Real Madrid | 0:3 pso | 3 | - | - |
| Complete name: | Þorvaldur Árnason |
| Born: | 03/03/1982 |
| Place of birth: |
Iceland |
| Nationality: |
Iceland |