The Seymour Onion Festival is an annual event held in Seymour, Indiana, celebrating the local onion harvest. This festival typically features a variety of activities, including live music, food vendors, and a parade. It aims to promote community spirit and showcase the region's agricultural heritage. In addition to entertainment, the festival includes contests such as onion-eating competitions and a best onion contest. Local businesses and artisans often participate, offering unique products and crafts. The event attracts visitors from surrounding areas, making it a significant occasion for the town and its economy.