Jón Dagur Þorsteinsson
| Personal information | |||
|---|---|---|---|
| Full name | Jón Dagur Þorsteinsson | ||
| Date of birth | 26 November 1998 | ||
| Place of birth | Kópavogur, Iceland | ||
| Height | 1.75 m (5 ft 9 in) | ||
| Position(s) | Winger | ||
| Team information | |||
Current team | Hertha BSC | ||
| Number | 24 | ||
| Youth career | |||
| –2015 | HK Kópavogur | ||
| 2015–2018 | Fulham | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2014–2015 | HK Kópavogur | 8 | (0) |
| 2018–2019 | Fulham | 0 | (0) |
| 2018–2019 | → Vendsyssel (loan) | 24 | (3) |
| 2019–2022 | AGF | 86 | (18) |
| 2022–2024 | OH Leuven | 71 | (20) |
| 2024– | Hertha BSC | 18 | (0) |
| International career‡ | |||
| 2014–2015 | Iceland U17 | 12 | (0) |
| 2015–2016 | Iceland U19 | 8 | (0) |
| 2017–2021 | Iceland U21 | 21 | (5) |
| 2018– | Iceland | 46 | (6) |
|
*Club domestic league appearances and goals, correct as of 24 May 2025 ‡ National team caps and goals, correct as of 11 June 2025 | |||
Jón Dagur Þorsteinsson (born 26 November 1998) is an Icelandic professional footballer who plays as a winger for German 2. Bundesliga club Hertha BSC and the Iceland national team. He is the son of Þorsteinn Halldórsson.