Prospero Rabaglio (late 16th century) was an Italian painter. He was born in Brescia. There is an altarpiece by him in the church of the Capuchins in that city, dated 1588.

• Bryan, Michael (1889). Walter Armstrong; Robert Edmund Graves (eds.). Dictionary of Painters and Engravers, Biographical and Critical. Vol. II L-Z. London: George Bell and Sons. p. 335.