Simone Ballachi was a 13th-century Italian priest and member of the Dominican Third Order. Born in 1240 to Count Rodolfo Ballachi, he initially served as a soldier in Rimini before joining the religious order in 1267. He was well known for his disciplined lifestyle, which included wearing an iron chain for two decades, and his work as a gardener. Throughout his life, he was recognized for his spiritual experiences and his dedication to teaching children the catechism.