Topsfield Fair is an annual agricultural fair held at the Topsfield Fairgrounds in Topsfield, Massachusetts, that celebrates New England farming, food, and family entertainment. Founded in the early 19th century, it is widely recognized as the nation’s oldest agricultural fair and features livestock competitions, agricultural exhibits, a midway with rides and games, live entertainment, and extensive food offerings. Produced by the Topsfield Fair Association, the event serves as a major regional showcase of rural traditions and popular autumn amusement.