Pietro Dandini (12 April 1646[1] – 26 November 1712) was an Italian painter of the Baroque period, active mainly in Florence.

Among his pupils as Valerio Baldassarri of Pescia, Father Alberico Carlini of Vellano,[2] Gaetano Santarelli[3] Giovanna Fratellini, and Giovanni Cinqui.

[4] As a painter, Dandini's styles are eclectic, as reflected in his travels, though he has the high-minded graciousness and delicacy characteristic of Florentine Baroque.

He also painted an altarpiece depicting the Beheading of John the Baptist for the church of San Giovannino dei Cavalieri; a St Francis in Santa Maria Maggiore in Rome; an altarpiece in the Church of Santa Caterina d'Alessandria in Pisa; an altarpiece of God the Father for the Santuario della Madonna del Giglio of Prato; an Adoration of the Magi for the Church of Santa Croce in Vinci, Italy; and painting in the former convent of San Francesco de' Macci.

He painted a large canvas of the Battle of Vienna in 1683 (now lost) for the auditor Filippo Lucci, which won the admiration of contemporary critics such as Francesco Saverio Baldinucci, from whom we can derive the most biographical information about Pietro's life.