The 2005 FIM Superstock 1000 Cup was the seventh season of the FIM Superstock 1000 championship, the first held under this name. The FIM Superstock 1000 championship followed the same calendar as the Superbike World Championship, missing out the none European rounds of the championship. Starting on 24 April in Circuit Ricardo Tormo and ending on 9 October in Circuit de Nevers Magny-Cours.
Didier Van Keymeulen won the title after beating closest rival Kenan SofuoÃÂlu.