External links
- Roman Hahun at UAF (in Ukrainian)
- Roman Hahun at Soccerway
  | This biographical article related to a Ukrainian association football defender born in the 1990s is a stub. You can help Wikipedia by adding missing information. |
| Personal information | |||
|---|---|---|---|
| Full name | Roman Valentynovych Hahun | ||
| Date of birth | 16 July 1993 | ||
| Place of birth | Shepetivka, Khmelnytskyi Oblast, Ukraine | ||
| Height | 1.71 m (5 ft 7+1⁄2 in) | ||
| Position | Defender | ||
| Team information | |||
Current team | Feniks-Mariupol | ||
| Number | 2 | ||
| Youth career | |||
| 2007–2010 | Pansion Shepetivka | ||
| 2010–2011 | Olimpik Donetsk | ||
| 2011–2012 | Temp Shepetivka | ||
| 2012–2013 | Olimpik Donetsk | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2013–2014 | Hoverla Uzhhorod | 0 | (0) |
| 2014–2017 | Odishi 1919 | 79 | (0) |
| 2014–2015 | → Odishi 1919-2 | 2 | (1) |
| 2017–2020 | Ahrobiznes Volochysk | 82 | (2) |
| 2020–2021 | Rukh Lviv | 22 | (0) |
| 2022–2023 | Veres Rivne | 32 | (0) |
| 2024 | Nyva Buzova | 10 | (0) |
| 2024–2025 | Kudrivka | 13 | (0) |
| 2025– | Feniks-Mariupol | 25 | (0) |
| * Club domestic league appearances and goals as of 4 June 2026 | |||
Roman Valentynovych Hahun (Ukrainian: Роман Валентинович Гагун; born 16 July 1993) is a Ukrainian professional footballer who plays as a defender for Feniks-Mariupol.
Hahun is a product of the FC Pansion youth sportive school in his native Shepetivka. In October 2020 he signed a contract with FC Rukh Lviv, that plays in the Ukrainian Premier League. In June 2022 he signed for Veres Rivne.
In 2024 he moved to Kudrivka helping the club to be promoted to Ukrainian Premier League. On 23 July 2025 he extended his contract with the club.
On 27 August 2025 he signed for Feniks-Mariupol in Ukrainian First League.
Ahrobiznes Volochysk
| This biographical article related to a Ukrainian association football defender born in the 1990s is a stub. You can help Wikipedia by adding missing information. |