- 4 Northern Ireland
- 40 Northern Liberties
- 1 Northern Liberty Bank
- 1 Northern Liberty Fire Company
- 4 Northern Liberty Gas Works
- 2 Northern Military Hall
- 1 Northern Song
- 1 Northern Soup Society of Philadelphia
- 3 Northern Storage & Warehouse Co.
- 3 Northumberland County, Pennsylvania
- 1 Northumberland, Hugh Percy, Duke of, 1742-1817
- 8 Northwest Philadelphia
- 1 Norwalk, Ohio
- 18 Norway
- 1 Norwegian Preserving Co.
- 1 Norwich, England
- 2 Norwood Street
- 1 Noses
- 1 Notburga, of Rattenberg, Saint, ca. 1265-1313
- 6 Notebooks
- 1 Notes
- 11 Notman, John, 1810-1865, Architect
- 1 Notman, Wiliam.
- 1 Notting Hill, England
- 2 Nottingham Print Mill
- 4 Nottingham, England
- 1 Nottinghamshire
- 61 Nova Scotia
- 2 Novelties
- 2 Novelty Dye Works and Cotton Mill
- 1 Novelty Iron Works (Deveney, White & Hitzeroth)
- 2 Novelty Underwear Co. (Firm)
- 1 Novita Co. (Firm)
- 1 Noyes, Alfred, 1880-1958
- 7 Nu?r Jaha?n, Empress, consort of Jahangir, Emperor of Hindustan, -1645
- 9 Nudes
- 1 Nudity
- 1 Numididae (family)
- 1 Nunavut
- 11 Nuns
