Giulio Caccini (c.1545–1618), Florentine composer, significant innovator of the early Baroque era

Tommaso Caccini (1574–1648), Dominican friar who denounced Galileo from the pulpit

Francesca Caccini (1587–1640?), Giulio's daughter, and a well-known opera composer in the early 17th century

Giovanni Battista Caccini (1556 - c.1612/14), Florentine Mannerist sculptor

Settimia Caccini (1591–1638?) Giulio's daughter, a famous singer and occasional composer