Ciotti is an Italian surname. It is also present in Megleno-Romanian. Notable people with the surname include:
Politics Dumitru Ciotti (1882/1885–1974), Megleno-Romanian activist Éric Ciotti (born 1965), French right-wing politician (Mayor of Nice) Pompeo Ciotti (1858–1915), Italian socialist
Sport Dragutin Ciotti (1905–1974), Croatian gymnast Giulio Ciotti (born 1976), Italian high jumper Nicola Ciotti (born 1976), Italian high jumper Pietro Ciotti (born 1999), Italian footballer
Other fields Giovanni Battista Ciotti (1560–1625), Italian publisher Luigi Ciotti (born 1945), Italian priest Nicholas Ciotti (1944–2003), American mobster Roberto Ciotti (1953–2013), Italian musician and composer