Ironton City Hall is a historic municipal building in Ironton, Minnesota, United States. It was built in 1917 to house the city's offices, fire department, library, jail, and an auditorium that hosted numerous community organizations and events. Ironton City Hall was listed on the National Register of Historic Places in 2002 for having local significance in the themes of politics/government and social history. It was nominated for being the longstanding focal point of Ironton's government services and community activities.