- 2 Kensington Waterworks
- 1 Kent County, Delaware
- 20 Kent, Charles, 1823-1902
- 1 Kent, England
- 5 Kentucky
- 2 Kentville, Nova Scotia
- 1 Kenwigs, Morleena (Fictitious character)
- 1 Kenwigs, Mrs., (Fictitious character)
- 1 Kerbaugh Street
- 1 Kerr Thread Co. (Firm)
- 2 Kershaw's Factory
- 1 Kesler Bed Coverlet Factory
- 1 ketterlinus Printing Co.
- 4 Kettles (vessels)
- 1 Keuffel & Esser Co.
- 1 Keyboard instruments
- 2 Keyholes
- 22 Keys (Hardware)
- 2 Keyser & Ware Saw Mill
- 1 Keyser and Schively Lumber Yard
- 1 Keyser see Savage, Keyser & Stovell
- 1 Keystone Bridge Company
- 1 Keystone Cocoanut Factory
- 2 Keystone Cooperage Co.
- 1 Keystone Dye Works
- 2 Keystone Iron Works
- 1 Keystone Knitting Mills
- 1 Keystone Leather Factory
- 1 Keystone Metal Bed Co.
- 1 Keystone Mustard & Pickling Works
- 1 Keystone Paper Mills
- 1 Keystone Plaster Company
- 1 Keystone Saw, Tool & Steel Works-Henry Disston
- 1 Keystone Telephone Co.
- 1 Keystone Waist Co., The
- 1 Khan, Bairam, 1524?-1561
- 4 Khans (rulers)
- 1 Khid?r (Legendary character)
- 1 Kicking Horse Pass
- 1 Kimball and Gorton Car Manufacturers
