Kalmbach Publishing Co. is an American publisher of books and magazines, many of them railroad-related. It is now located in nearby Waukesha, Wisconsin. The company's magazine titles include:

• American Snowmobiler
• Art Jewelry
• Astronomy
• Bead & Button
• Bead Style
• Classic Toy Trains Magazine
• Classic Trains Magazine
• Discover
• Drone 360
• Fine Scale Modeler Magazine
• Garden Railways
• Model Railroader (its first periodical)
• Model Retailer
• Scale Auto
• Trains (its second periodical)