National Historic Register properties in Tiffin, Ohio

• Aigler Alumni Building
• Bagby-Hossler House
• Beatty Glass Company
• Black Student Union Center
• Bowman's Distillery
• College Hall
• Downtown Tiffin Historic District
• Fine Arts Building
• Fort Ball-Railroad Historic Disrict
• Founders Hall, Heidelberg College
• France Hall
• Gerhart-Rust Residence
• Great Hall
• Hanson Machinery Company
• Hedges-Hunter-Keller-Bacon Gristmill
• Hunter, William, House
• Laird Hall
• Miami Street Grade School
• Mueller Brewery
• Mueller, Christ, House
• National Home, Daughters of America
• National Orphans' Home, Junior Order United American Mechanics
• Northeast Tiffin Historic District
• North Sandusky Street Historic District
• Octagon, The
• Ohio Lantern Company
• Pfleiderer Center for Religion and the Humanities
• Pleasant Ridge United Methodist Church and Cemetery
• President's House
• Social Science House
• Springdale
• Tiffin Agricultural Works
• Tiffin Art Metal Company
• Tiffin Waterworks
• Umsted Farm
• Wagner Brothers Bottling Works
• Webster Manufacturing
• Williard Hall