Donato Mascagni (1579–1636) was an Italian painter of the Renaissance active in Florence, Volterra, Rome, Mugello, and Salzburg.
He is also known as Fra or Frate Arsenio because he joined the Servite monastery in 1605.
He however obtained special dispensation through cardinal Gerolamo Bernerio to move to Florence and become a priest in 1609.
He painted a fresco depicting the Wedding at Cana (1593) for the Sala dei Consiglio of the Palazzo dei Priori, Volterra.
This article about an Italian painter born in the 16th century is a stub.