Name
- Nachtigal, Gustav, 1834-18851
- Natal Government Telegraphs, 1902?-1912?1
- Nathan, Matthew, Knight, army officer & colonial administrator, 1862-19391
- Navrass, M, army officer, fl 19271
- Nesbitt, Ludovico Mariano, mining engineer and explorer, 1891-19351
- Neuparth, Augusto Eduardo, naval officer, 1859-19251
- Newland, W.J., cartographer, fl 19031
- Nicholson, William Gustavus, Baron Nicholson, army officer, 1845-19181
- North-Western Provinces and Oudh Government Press, Allahabad, India1
- Northern Rhodesia - Portuguese Kwando Boundary Commission 1960-1964, 1960-19641
- Nubee, Golam, cartographer and printer, fl 1869-18701
- Nunes, A X, draughtsman, fl 1932-19351
- Nyasaland Railways Limited, 1930-19661
- Office of the Superintendent of Government Printing, Calcutta, 1858-19471
- Ogilvy, David, army officer, 1881-19491
- Olivier, Robert Harold, army officer, 1879-19141
- Osborn, Philip Barlow, army officer, 1870-19091
- Owen, Sydney Lloyd, army officer, b 18721
- Oxford University Press, University of Oxford, 1486-1
- Palmer, William, engraver, 1739-18121