Ercole Ruggiero
 Ercole Ruggiero (17th century) was an Italian painter of the Baroque period.He was initially a devoted pupil of Francesco Gessi in Bologna; and also was known as Ercolino del Gessi or Ercolino da Bologna. His brother was known as Battistino del Gessi initially a pupil of Domenichino and Gessi then became a follower of Pietro da Cortona. He died during the papacy of Urban VIII.