Ugo, re d'Italia (Hugo, King of Italy) is an unfinished opera by Gioachino Rossini that was abandoned when the composer and his wife, Isabella Colbran, were staying in London from December 1823 until July of the following year. It was intended that the music was to be set to an existing libretto, La figlia dell'aria by an unknown author.

Original Name Ugo, re d'Italia
Date of composition 1824 (unfinished)
Type Opera
Spoken language Italian
Autotranslations beta Gioachino Rossini: Hugo, King of Italy
Gioachino Rossini: Hugo, King of Italy
Gioachino Rossini: Hugo, King of Italy