Ubaldini is an Italian surname. Notable people with the surname include:

• Domenico di Bartolommeo Ubaldini or Domenico Puligo (1492–1527), Italian painter of the Florentine Renaissance
• Federigo Ubaldini (1610–1657) Italian Dante and Petrarch scholar, and secretary to papal consitory
• Migliorino Ubaldini (active 1548), Italian military engineer working in Scotland
• Ottaviano or Attaviano degli Ubaldini (1214–1273), Italian cardinal
• Petruccio Ubaldini (1524–1600), Italian calligraphist and illuminator on vellum who worked in England
• Roberto Ubaldini (1581–1635), bishop and cardinal of the Catholic Church
• Ruggieri degli Ubaldini (active 1271–1295), Italian archbishop, mentioned in Dante's Inferno
• Saúl Ubaldini (1936–2006), Argentine labor leader and parliamentarian for the Peronist Justicialist Party

This page lists people with the surname Ubaldini.
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