Padovanino or Varotari Alessandro Leone (4 April 1588 - 20 July 1649), also commonly known as Il Padovanino, was an Italian painter** of the late-Mannerist and early-Baroque** Venetian school, best known for having mentored Pietro Liberi, Giulio Carpioni, and Bartolommeo Scaligero.
He was the son of Dario Varotari the Elder and the brother of Chiara Varotari, who accompanied him on his travels and assisted with his work.