The 1931 Grand Prix season was the first AIACR European Championship season. The championship was won by Ferdinando Minoia, driving for the Alfa Corse team. Minoia won the championship despite not winning a single race during the championship season. Similar to the modern FIA World Endurance Championship, all championship races were endurance events, each lasing ten hours, so most cars utilised more than one driver.
Grandes Épreuves are denoted by a yellow background.
Minoia won the championship on a tie-breaker as he had completed a longer distance in total than Campari.
Etzrodt, Hans. "Grand Prix Winners 1895–1949 : Part 2 (1919–1933)". The Golden Era of Grand Prix Racing. Archived from the original on 29 June 2007.
Galpin, Darren. "1931 Grands Prix". The GEL Motorsport Information Page.