Flore (or Flora) Revalles (January 25, 1889 – August 29, 1966) was a Swiss entertainer active over the early decades of the twentieth century. Revalles began as a singer in Switzerland, danced with the Ballets Russes in Europe and America and appeared in Broadway and Hollywood productions before resuming her singing career in Europe. She is also remembered for being an aunt of the French film star Guy Tréjan (1921–2001).