The National Farmers' Bank of Owatonna, Minnesota is a bank building designed by Louis Sullivan with decorative elements by George Elmslie. It was built in 1908, and was the first of Sullivan's "jewel boxes". The building is clad in red brick with green terra cotta bands, and features two large arches. Internal elements include a stained glass window designed by Louis J. Millet, a mural by Oskar Gross, and a cast iron electrolier by William Winslow.