| Competition: | Swiss Super League |
| Season: | 2020–21 |
| Dates: | 19 September 2020 – 21 May 2021[1] |
| Winners: | Young Boys 15th title |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Young Boys |
| Continentalcup2: | Europa Conference League |
| Continentalcup2 Qualifiers: | Basel Servette Luzern Vaduz |
| Matches: | 180 |
| Total Goals: | 515 |
| League Topscorer: | Jean-Pierre Nsame |
| Longest Wins: | 6 matches Young Boys |
| Longest Unbeaten: | 21 matches Young Boys |
| Longest Winless: | 8 matches St. Gallen Vaduz |
| Longest Losses: | 5 matches Vaduz |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 Swiss Super League (referred to as the Raiffeisen Super League for sponsoring reasons) was the 124th season of top-tier competitive football in Switzerland and the 18th under its current name and format.
A total of ten teams competed in the league: the eight best teams from the 2019–20 season, the 2019–20 Swiss Challenge League champions Lausanne-Sport and relegation play-off winners Vaduz. Young Boys were the three-time defending champions, and successfully defended their title.
| Club | Location | Stadium | Capacity | |
|---|---|---|---|---|
| Basel | Basel | St. Jakob-Park | 37,994[2] | |
| Lausanne-Sport | Lausanne | Stade de la Tuilière[3] (as of 29 November) Stade Olympique de la Pontaise | 12,544 12,500 | |
| Lugano | Lugano | Stadio Cornaredo | 6,390[4] | |
| Luzern | Lucerne | Swissporarena | 16,490[5] | |
| Servette | Geneva | Stade de Genève | 30,084 | |
| Sion | Stade Tourbillon | 14,283[6] | ||
| St. Gallen | St. Gallen | Kybunpark | 19,456[7] | |
| Vaduz |  Vaduz | Rheinpark Stadion | 7,584 | |
| Young Boys | Bern | Stade de Suisse | 31,789[8] | |
| Zürich | Zürich | Letzigrund | 26,104[9] |
| Team | Manager | Captain | Kit manufacturer | Shirt sponsor | |
|---|---|---|---|---|---|
| Basel | Patrick Rahmen (interim) | Valentin Stocker | Adidas | Novartis | |
| Lausanne-Sport | Giorgio Contini | Stjepan Kukuruzović | Le Coq Sportif | BCV | |
| Lugano | Maurizio Jacobacci | Jonathan Sabbatini | Acerbis | AIL Casinò Lugano | |
| Luzern | Fabio Celestini | Christian Schwegler | Craft | Otto’s | |
| Servette | Alain Geiger | Anthony Sauthier | Puma | La Praille M3 Groupe | |
| Sion | Marco Walker |  Serey Dié | Macron | Capital Markets Consulting | |
| St. Gallen | Peter Zeidler | Silvan Hefti | Jako | St.Galler Kantonalbank | |
| Vaduz | Mario Frick | Benjamin Büchel | Puma | National Bank of Liechtenstein MBPI | |
| Young Boys | Gerardo Seoane | Fabian Lustenberger | Nike | Plus500 | |
| Zürich | Massimo Rizzo | Yanick Brecher | Nike | AntePay |
| Team | Outgoing manager | Manner of departure | Date of departure | Position in table | Incoming manager | Date of appointment | |
|---|---|---|---|---|---|---|---|
| End of contract | 7 August 2020 | Pre-season | 25 August 2020[10] | ||||
| End of contract | 31 August 2020 | Pre-season | 1 September 2020[11] | ||||
| Sacked | 5 October 2020[12] | 10th | 5 October 2020 | ||||
| Sion |  Fabio Grosso | Sacked | 5 March 2021[13] | 10th | Christian Constantin (interim) | 5 March 2021 | |
| Christian Constantin (interim) | End of interim | 11 March 2021 | 9th |  Ugo Raczynski (interim) | 11 March 2021[14] | ||
| Ugo Raczynski (interim) | End of interim | 16 March 2021 | 9th | Marco Walker | 16 March 2021[15] | ||
| Basel | Ciriaco Sforza | Sacked | 6 April 2021[16] | 5th | Patrick Rahmen (interim) | 6 April 2021 |
The ninth-placed team of the 2020–21 Swiss Super League, Sion, played against the runners-up of the 2020–21 Swiss Challenge League, Thun.
Sion won 6–4 on aggregate.
Player of the Season
Player of the Season awarded to 
Arthur Cabral(Basel)
Young Player of the Season
Young Player of the Season awarded to
Kastriot Imeri(Servette)
Coach of the Season
Coach of the Season awarded to Gerardo Seoane(Young Boys)
Goal of the Season
Goal of the Season awarded to
Alexander Gerndt (Lugano)
[17] Team of the Year was:
David von Ballmoos (Young Boys) Silvan Widmer (Basel), Fabian Lustenberger (Young Boys), Eray Cömert (Basel), Silvan Hefti(Young Boys)
Benjamin Kololli(Zürich), Michel Aebischer(Young Boys),
Jordi Quintillà (St.Gallen), Christian Fassnacht(Young Boys),
Arthur Cabral (Basel),
Jean-Pierre Nsame (Young Boys)
