Fiol is a surname. Notable people with the surname include:
Henry Fiol, American singer, songwriter, bandleader and painter Liana Fiol Matta, Puerto Rican jurist Mauricio Fiol, Peruvian swimmer Schweipolt Fiol, German printer Fiol's Octoechos, the first printed book in the Cyrillic script Flowery Triodion (Fiol) Shae Fiol, Cuban-American singer-songwriter Suzanne Fiol, American photographer and impresario Viviana Fiol, Puerto Rican footballer
See also Fiol Prosecco, an Italian luxury brand of wine