Broto (in Medieval Aragonese: Brotto) is a municipality in the province of Huesca, Aragon, Spain. According to the 2018 census (INE), the municipality has a population of 531 inhabitants.

The Valle de Broto includes the following villages:

• Broto proper (905 m) in the center of the valley
• Oto (913 m), 1 km south of Broto
• Buesa (1135 m), 3 km south of Broto on the eastern slope of the valley
• Sarvisé (863 m), 3 km south of Broto
• Asín de Broto (1103 m), 13 km south of Broto, 4 km north of Fiscal
• Bergua (1030 m), 3 km west of Asin, now deserted
• Ayerbe de Broto, now deserted
• Yosa, now deserted
• Escartin, now deserted
• Torla (1032 m)
• Fragen (1113 m)
• Viu de Linás (1243 m)
• Linás de Broto (1456 m)

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42°36′N 0°07′W / 42.600°N 0.117°W / 42.600; -0.117