Castagna

Castagna may refer to:

• Andrea del Castagno (c.1419–1457), Italian painter
• Armando Castagna, Italian speedway rider
• Cacho Castagna (1942–2019), Argentine musician
• Cristina Castagna (1977–2009), Italian mountaineer
• Filippo Castagna (1765–1830), Maltese politician
• John Castagna, American geophysicist
• Michele Paco Castagna, Italian speedway rider
• William J. Castagna (1924–2020), American jurist

• Carrozzeria Castagna, an Italian coachbuilding company from Milan

• Castagna, Catanzaro, a town in the Calabria region of southern Italy
• Castel Castagna, a town in the Abruzzo region of central Italy
• Castagna (restaurant), a restaurant in Portland, Oregon, United States