Fiala is a surname originating from the Czech lands. In Czech, Fiala means violet. Notable people with the surname include:
Anthony Fiala (1869–1950), American explorer, born in Jersey City, New JerseyArt Fiala (1899–2005), one of the last surviving American World War I veteransBarbara J. Fiala (born 1944), the current Commissioner of the New York State Department of Motor VehiclesBenno Fiala von Fernbrugg (1890–1964), Austro-Hungarian fighter ace with 28 victories to his credit during World War IJan Fiala (born 1956), Czech football playerJan Fiala (programmer), Czech programmer (author of PSPad)Jean-Pierre Fiala (born 1969), retired Cameroonian football player who played for Canon YaoundeJim Fiala, chef who owns three restaurants in the St. Louis, Missouri areaJohn Fiala (born 1973), retired American football linebackerJosef Fiala (1748–1816), composer, oboist, viola da gamba virtuoso, cellist, and pedagogueKevin Fiala (born 1996), Swiss ice hockey player, currently playing for the Nashville Predators in the National Hockey LeagueOndrej Fiala (born 1987), ice hockey player, currently playing for HC Spartak Moscow in the Kontinental Hockey LeagueRadek Fiala (born 1986), professional ice hockey goaltender playing for HC Litvínov, in the Czech ExtraligaZuzana Fialová (born 1974, Bratislava), a Slovak actressJacqueline Fiala (born 1984), an anesthesiologist