| Stephan Seiler | |
| Fullname: | Stephan Vinicius Seiler |
| Birth Date: | 16 September 2000 |
| Birth Place: | Fortaleza, Brazil |
| Height: | 1.74 m |
| Currentclub: | Bellinzona |
| Clubnumber: | 20 |
| Position: | Midfielder |
| Youthyears1: | 2009–2013 |
| Youthclubs1: | Wetzikon |
| Youthyears2: | 2013–2020 |
| Youthclubs2: | Zürich |
| Years1: | 2020–2023 |
| Clubs1: | Zürich II |
| Caps1: | 54 |
| Goals1: | 3 |
| Years2: | 2020–2023 |
| Clubs2: | Zürich |
| Caps2: | 38 |
| Goals2: | 1 |
| Years3: | 2022 |
| Clubs3: | → Winterthur (loan) |
| Caps3: | 7 |
| Goals3: | 1 |
| Years4: | 2023– |
| Caps4: | 27 |
| Goals4: | 0 |
| Nationalyears1: | 2015–2016 |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 1 |
| Nationalyears2: | 2016–2017 |
| Nationalcaps2: | 6 |
| Nationalgoals2: | 1 |
| Nationalyears3: | 2018–2019 |
| Nationalcaps3: | 6 |
| Nationalgoals3: | 0 |
| Nationalyears4: | 2019 |
| Nationalcaps4: | 1 |
| Nationalgoals4: | 0 |
| Club-Update: | 28 May 2024 |
| Nationalteam-Update: | 21 July 2019 |
Stephan Vinicius Seiler (born 16 September 2000) is a professional footballer who plays as a midfielder for Bellinzona. Born in Brazil, he represents Switzerland internationally.
Seiler made his professional debut with FC Zürich in a 3–2 Swiss Super League loss to BSC Young Boys on 19 June 2020.[1]
On 31 August 2022, Seiler joined Winterthur on a season-long loan.[2]
On 7 September 2023, Seiler moved to Bellinzona.[3]
Seiler was born in Brazil to a Swiss father and Brazilian mother, and moved to Switzerland at a young age.[4] He is a youth international for Switzerland.[5]