Other
- Cadogan Petroleum, an oil & gas company operating in Ukraine
- Cadogan Estates, a property company
- Sir Cadogan, fictional Harry Potter character
- Cadogan pot, 19th Century English style of teapot, produced most famously by the Rockingham Pottery
- Cadogan Guides, a series of travel books published by Globe Pequot Press, the book division of Morris Communications
- Cadogan Chess, a publisher of chess books, now known as Everyman Chess
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