Alberico da Barbiano was an Italian condottiero, or mercenary leader, active during the late 14th century. Born around 1350, he gained prominence for his military skills and leadership in various conflicts across Italy. He is best known for founding the Compagnia di San Giorgio, a mercenary company that played a significant role in the political and military landscape of the time. His career was marked by numerous battles and alliances, as he served various Italian city-states. Alberico was recognized for his strategic prowess and ability to command troops, contributing to the shifting power dynamics in medieval Italy. He died in 1409, leaving a legacy as a notable figure in the history of Italian mercenaries.