The MSA British RallyCross Championship is an auto racing RallyCross series, running in the United Kingdom. The championship is currently known as the MSA British RallyCross Championship sponsored by The Shannon Group.

Recognised as an official Championship by the Motor Sports Association who are the governing body of Motorsport in Great Britain, the 2014 season concluded with Julian Godfrey claiming the title victory in the Supercar category.

Irish driver Dermot Carnegie has won five titles.