Nicolas Frantz (Luxembourgish pronunciation: [nikoːlɑs ˈfʀɑnts]; 4 November 1899 – 8 November 1985) was a Luxembourgish bicycle racer with 60 professional racing victories over his 12-year career (1923 to 1934). He rode for the Thomann team in 1923 and then for Alcyon-Dunlop from 1924 to 1931. He won the Tour de France in 1927 and 1928. Frantz was a taciturn man. He retired to the village of Mamer and died there in 1985.