The 1975 World Sportscar Championship season was the 23rd season of FIA World Sportscar Championship motor racing. It featured the 1975 World Championship for Makes[1] which was open to Group 5 Sports Cars and Group 4 Special GT Cars.[2] It also included the FIA Cup for GT Cars and the FIA Cup for 2-Litre Cars.[1] The three titles were contested concurrently over a nine race series which ran from 1 February to 12 July 1975.