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.

References

• Lanzi, Luigi (1847). History of Painting in Italy; From the Period of the Revival of the Fine Arts to the End of the Eighteenth Century. Vol. III. Translated by Thomas Roscoe. London: Henry G. Bohn. p. 98.