2015 Scandinavian Touring Car Championship
The 2015 Scandinavian Touring Car Championship was the fifth Scandinavian Touring Car Championship season. The season started at the new circuit in Skövde Airport on 8 May and ended on 26 September at Ring Knutstorp, after seven rounds. It was the third year of TTA – Racing Elite League silhouette regulations in the series following the merge of the STCC and TTA at the end of the 2012 season. Thed Björk entered the season as the defending drivers' champion and successfully defended his title. Volvo Polestar Racing will be the defending teams' champion. Both Björk and Volvo Polestar Racing retained their titles after the season.
Teams and drivers
All teams were Swedish-registered.| Team | Car | Driver | Rounds | |
| Volvo Polestar Racing Volvo Cyan Racing | Volvo S60 | 1 |  Thed Björk | All |
| Volvo Polestar Racing Volvo Cyan Racing | Volvo S60 | 11 | Fredrik Ekblom | All |
| Volvo Polestar Racing Volvo Cyan Racing | Volvo S60 | 13 | Carl Philip Bernadotte | 1–2, 4–7 |
| Team Tidö | Saab 9-3 | 3 | Richard Göransson | All |
| Team Tidö | Saab 9-3 | 8 | Roger Samuelsson | All |
| WCR BMW Dealer Team | BMW SR | 4 | Fredrik Larsson | All |
| Sportpromotion | BMW SR | 6 | Erik Jonsson | All |
| Team Kia | KIA Optima BDE | 9 |  Kevin Aabol | All |
| Team Kia | KIA Optima BDE | 10 | Erik Johansson | 1–5 |
| Team Kia | KIA Optima BDE | 28 | Rasmus Mårthen | 5–7 |
| Dacia Dealer Team | Dacia | 20 | Mattias Andersson | All |
| PWR Racing Team | Saab 9-3 | 37 | Daniel Haglöf | All |
| PWR Racing Team | Saab 9-3 | 93 |  Emma Kimiläinen | All |
| Brovallendesign Kia | KIA Optima BDE | 95 | Emelie Liljeström | 1, 3–4, 6 |
Race calendar and results
All rounds will be held in Sweden.Championship standings
Drivers' Championship
Notes:- † — Drivers did not finish the race, but were classified as they completed over 70% of the race distance.
Teams' Championship