The 2017 MSA British Rally Championship was the 58th season of the British Rally Championship. It featuredure eight classes:
- BRC 1 (R5, R4, Super 2000, Regional Rally Car)
- BRC Production Cup (N4)
- BRC 3 (R3)
- BRC 4 (R2)
- National Rally Cup (open class)
- Junior BRC (R2, drivers under 26 years old)
- Cadet Cup (R2, drivers under 25 years old)
- Ladies BRC Trophy