Chiari is a surname. Notable people with the surname include:
Abdul Chiari (1971–2011), Panamanian football striker Fabrizio Chiari (1621–1695), Italian painter and engraver Hans Chiari (1851−1916), Austrian pathologist Giuseppe Bartolomeo Chiari (1654–1727), Italian painter Guido Schmidt-Chiari (1932–2016), Austrian banker Isidoro Chiari (1495–1555), one of the fathers of the Council of Trent and a translator of the Bible Johann Baptist Chiari (1817–1854), Austrian gynecologist and obstetrician, father of Hans and Ottokar Chiari Mario Chiari (1909–1989), Italian production designer and art director Nick Chiari (born 1993), American music producer Ottokar Chiari (1853–1918), Austrian laryngologist and professor at the University of Vienna Pietro Chiari (1712–1785), Italian playwright, novelist and librettist Rodolfo Chiari (1869–1937), Panamanian politician Walter Chiari (1924–1991), stage name of Italian actor Walter Annichiarico