Bonatti is an Italian surname. Notable people with the surname include:
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Fernando Bonatti (1894–1974), Italian gymnast
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Guido Bonatti
Guido Bonatti (died between 1296 and 1300) was an Italian mathematician, astronomer and astrologer, who was the most celebrated astrologer of the 13th century.
Bonatti was advisor of Frederick II, Holy Roman Emperor, Ezzelino da Romano III, Gu ...
(died c. 1300), Italian astronomer
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Matteo Bonatti (born 1981), former Italian footballer
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Walter Bonatti
Walter Bonatti (; 22 June 1930 – 13 September 2011) was an Italian mountain climber, explorer and journalist. He was noted for many climbing achievements, including a solo climb of a new route on the south-west pillar of the Aiguille du Dru ...
(1930–2011), Italian mountain climber
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Italian-language surnames