Former Owner
- Mortimer Loeb Schiff1
- Morton Davis Mitchell1
- Mount Zion Abbey1
- Mrs. E.J. Hooper1
- Mrs. F. W. Bartlett1
- Mrs. Turnbull1
- Muriel Agnes Fry1
- Museo Cavaleri1
- N. Pauli1
- Nanna Corbinello1
- Nathan Comfort Starr1
- Nathaniel Castleton Stephen Poyntz1
- Nathaniel Dunbar1
- Nathaniel G. Snelling1
- Nathaniel Sherman Bouton1
- Nell Wheeler1
- Nettie Goldsmith Naumburg1
- Neuman-Walter1
- Neuwerk Nunnery1
- Newman F. McGirr1