Gioacchino Cocchi (ca. 1720–1804) was an Italian composer. He was particularly famous for his theatre music (he wrote approximately fifty operas). His first works were performed at Naples and Rome. From 1750 to 1757 he stayed in Venice, where he became chapel master of the Ospedale degli Incurabili (from 1752). He also taught composition to Andrea Luchesi (1756/57). In 1757 he traveled to London, where he stayed till 1772. He came back to Venice in 1773.