Leoni is an italian surname, literally meaning "lions", and can refer to:
Anilza Leoni (1933–2009), Brazilian actress, singer, ballerina and painter, of Italian descentAtossa Leoni (born 1977), German actressBruno Leoni (1913–1967), Italian political philosopher (classical liberalism) and lawyerCarlos Leoni, founder and former member of the Brazilian pop-rock band Kid AbelhaDomenico Leoni, Venetian statesman of Byzantine originEndrio Leoni (born 1968), Italian road bicycle racerFranco Leoni (1864–1949), Italian opera composer (L'Oracolo)Frank Leoni (born 1968), American college baseball coachGiacomo Leoni (1686–1746), Italian architect, also known as James LeoniGianni Leoni, Italian motorcycle racerLeone Leoni (1509–1590), Italian Renaissance sculptor and medallist (or his son Pompeo)Leone Leoni (composer) (c. 1560 – 1627), Italian composerMichael Leoni, (c. 1750–1797) stage name of Myer Lyon, English-German-Jewish tenor singerLodovico Leoni (1531–1606), Italian painter, father ofOttavio Leoni (1578–1630), Italian painter, son of LodovicoPier Leoni, Medieval Roman consulRaúl Leoni (1905–1972), President of Venezuela from 1964 until 1969, of Italian descentTéa Leoni (born 1966), American actress of Italian descentIt may also refer to:
Leoni (film)Leoni Township, MichiganLeoni (Bavaria) (formerly Assenbuch) in BavariaLeoni Cables, formerly Leonische Drahtwerke, cable firm from Germany