| Joaquin Seys | |
| Birth Date: | 28 March 2005 |
| Birth Place: | Ostend, Belgium[1] |
| Position: | Left-back |
| Currentclub: | Club Brugge |
| Clubnumber: | 65 |
| Youthyears1: | 2011–2012 |
| Youthclubs1: | Oostende |
| Youthyears2: | 2012–2022 |
| Youthclubs2: | Club Brugge |
| Years1: | 2022–2024 |
| Clubs1: | Club NXT |
| Caps1: | 51 |
| Goals1: | 1 |
| Years2: | 2024– |
| Clubs2: | Club Brugge |
| Caps2: | 0 |
| Goals2: | 0 |
| Nationalyears1: | 2022–2023 |
| Nationalteam1: | Belgium U17 |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2023– |
| Nationalteam2: | Belgium U18 |
| Nationalcaps2: | 7 |
| Nationalgoals2: | 0 |
| Club-Update: | 02:49, 22 July 2024 (UTC) |
| Nationalteam-Update: | 02:49, 22 July 2024 (UTC) |
Joaquin Seys (born 28 March 2005) is a Belgian professional footballer who plays as a left-back for Belgian First Division A club Club Brugge.
Seys began playing football with Oostende, before joining the academy of Club Brugge in 2012.[2] On 31 March 2022, Seys signed his first professional contract with Club Brugge until 2024, and was promoted to their reserves Club NXT where he became a starter.[3] On 10 May 2023, he extended his contract with the club until 2026.[4] He made his senior debut wwith Club Brugge at the 2024 Belgian Super Cup on 20 July 2024, a 2–1 loss to Union Saint-Gilloise.[5]
Seys is a youth international for Belgium, having played up to the Belgium U18s.[1]