Mariotti is an Italian surname. Notable people with the surname include:
Alberto Mariotti (born 1935), Argentinean association football player Alessandro Mariotti (born 1998), San Marinese alpine skier Carlo Speridone Mariotti (1726–1790), Italian painter Charlie Mariotti (born 1958), Dominican politician, manager, and broadcaster Filippo Mariotti (1833–1911), Italian politician and lawyer Francesco Mariotti (1943–2026), Swiss artist and cultural activist Frédéric Mariotti (1883–1971), French stage and film actor Giuseppe Mariotti (born 1963), Italian classical pianist Jay Mariotti (born 1959), American sports commentator and writer John Mariotti (born 1984), American baseball pitcher Luigi Mariotti (1912–2004), Italian politician Maria Mariotti (born 1964), Italian association football player Massimo Mariotti (born 1961), retired Swiss footballer Michele Mariotti (born 1979), Italian conductor Paolo Mariotti (born 1979), Sammarinese association football player Renato Mariotti, American attorney and legal commentator Sergio Mariotti (born 1946), Italian chess player Steve Mariotti (born 1953), American social entrepreneur and educator
See also Marotti