- McNair, Edward C.1
- McNair, Robert E. (Robert Evander), 1923-2007.1
- McNally, Francis (Compiler)1
- McRae, John, 1793-18801
- Melish, John, 1771-18221
- Melish, John, 1771-1822 (cartographer)1
- Merian, Matthaeus, 1593-16501
- Miller, D.B. (Engineer)1
- Mills, Robert 1781-18551
- Mills, Robert, 1781-1855.1
- Miss Dromgoole Ham1
- Mitchell, S. Augustus (Samuel Augustus) 1792-18681
- Mitchell, S. Augustus (Samuel Augustus), 1792-1868 (Publisher)1
- Mittwede, Steven K. 1959-1
- Moll, Herman (Geographer)1
- Moll, Herman, -1732 (cartographer)1
- Monteith, James1
- Monteith, James (cartographer)1
- Morden, Robert, approximately 1650-17031
- Morden, Robert, approximately 1650-1703 (cartographer)1