- Moore, James B.1
- Morawski, P. S. http://id.loc.gov/authorities/names/n2008034777 http://viaf.org/viaf/19402001
- Mori, Fūsai1
- Morikawa, Yasuyuki, active 19th century1
- Morris, Charles, 1784-18561
- Morse, Sidney E. (Sidney Edwards), 1794-18711
- Mortier1
- Mudge, William, 1762-18201
- Muller, John B. http://id.loc.gov/authorities/names/n78050671 http://viaf.org/viaf/3049763421
- Murray, John, 1807-18821
- Nagai, Komazō.1
- Nagakubo, Sekisui, 1717-18011
- Nagamatsu, Sakunosuke.1
- Nakajima, Kahê.1
- National Ocean Survey.1
- National Railway Publication Company1
- Native American Science Education Association1
- Neele, Josiah1
- Nell, Louis1
- Nell, Louis, topographer1