Epona is a goddess from ancient Celtic mythology, primarily associated with horses, riders, and fertility. She was revered by the Gauls and Romans, often depicted riding a horse or surrounded by horses. Epona's worship emphasized the importance of horses in agriculture and warfare, reflecting their vital role in ancient societies. Her name is derived from the Gaulish word for horse, and she was often invoked for protection and good fortune in equestrian endeavors. Epona was unique among deities, as she was one of the few Celtic goddesses to be adopted into Roman religion, highlighting her significance across cultures.