The 1931 Tour de France was the 25th Tour de France, which took place from 30 June to 26 July 1931.
S svojimi osmimi etapnimi zmagami na enem Touru še vedno drži rekord, ki ga je uspelo ponoviti Eddyju Merckxu na Touru 1970 in 1974 ter Freddyju Maertensu v letu 1976.