The 2008 Elf Renault Clio Cup United Kingdom season began at Brands Hatch on 29 March and finished after 20 races over 10 events at the same circuit on 21 September.
The championship was won by Ben Winrow driving for Team Pyro.
All competitors raced in Renault Clio Cup 197s.
The series supported the British Touring Car Championship at nine of the ten rounds.
It was won by Árón Smith driving for Team Pyro.