Buonarroti (Buonarotti) is a surname, and may refer to
Michelangelo Buonarroti (1475–1564), the Italian artist known as Michelangelo
Filippo Buonarroti (1661–1733), Florentine official and grandnephew of Michelangelo
John Buonarotti Papworth (1775–1847), prolific architect and artist
Philippe Buonarroti (1761–1837), revolutionary writer