Valerio Bona or Buona (c. 1560 – c. 1620) was an Italian composer of the early Baroque; he was also a Franciscan friar.
Little is known about his life.
He appears to have spent time in Milan and Verona, and may have been a student of Costanzo Porta.
His theoretical Regole del contraponto of 1595 was influenced by Gioseffo Zarlino.
His musical works include masses and canzonas.