John Batterson Stetson was an American hatter, hat manufacturer, and in the 1860s, the inventor of the cowboy hat. He founded the John B. Stetson Company as a manufacturer of headwear. The company's hats are now commonly referred to simply as Stetsons.

Hat-making or millinery is the design, manufacture and sale of hats and other headwear. A person engaged in this trade is called a milliner or hatter.