Chiarini is an Italian surname. Notable people with the surname include:
Daniele Chiarini (born 1979), Italian footballer
Gianfranco Chiarini (born 1966), Italian chef and television personality
Marcantonio Chiarini (c. 1652 – 1730), Italian painter
Mario Chiarini (born 1981), Italian baseball player
Maurizio Chiarini (born 1950), Italian businessman
Pietro Chiarini (c. 1717 – 1765), Italian composer
Riccardo Chiarini (born 1984), Italian cyclist