Organtino di Mariano Bisconti (active 1529 - 1564) was an Italian painter of the Renaissance period active in Perugia.
He painted the altarpiece of Santa Margherita in Perugia.
He was a pupil of Giovanni Battista Caporali, and worked with him in the church of San Pietro in Perugia.
Organtino also worked with Lattanzio Pagani.
This article about an Italian painter born in the 16th century is a stub.