- 1 Mutual Assistance Co.
- 3 Mutual Assurance Co.
- 1 Muzet & Co.
- 1 Muzzleloading
- 2 Myanmar
- 1 Myers and Co. (hot water heaters)
- 1 Myers' Mill
- 8 Mysticism
- 1 Mystics
- 21 Mythical or legendary animals
- 2 Mythology (literary genre)
- 1 Myths
- 1 N. & G. Taylor Co.
- 2 N. Lennig & Co.
- 1 N. Z. Graves & Co. Paints Varnish (Firm)
- 1 N??ir al-D?n Sh?h, Shah of Iran, 1831-1896
- 3 Naha, Japan
- 1 Nahum (Biblical prophet)
- 3 Nails & spikes
- 1 Nakagusuku, Japan
- 1 Nam Phan, Vietnam
- 1 Nanak
- 1 Nancy, France
- 1 Nanha (Indian miniaturist, active ca. 1582-1635)
- 1 Naomi (Biblical figure)
- 1 Naphey's Leaf Lard Factory
- 1 Naphey's Storage & Warehouse Co.
- 2 Napier Street
- 1 Napkins
- 20 Naples, Italy
- 1 Narberth, Pennsylvania
- 4 Naskh (Script)
- 1 Nassau Carpet Works
- 6 Nassau, Bahama
- 18 Nasta'liq
- 1 National
- 1 National Association for American Composers and Conductors
- 4 National Bank of Germantown
- 4 National Bank of the Republic
- 1 National Bedding Co.