- Nirenberg, Marshall W.1
- Noble, John A., 1913-1983, artist1
- Nocito, James, 1960-, artist1
- Nöel, Alphonse Léon., 1807-18841
- Nur al-Din 'Abd al-Rahman Jami, 1414-1492, author1
- Nursing Research Symposium 1979 : National Institutes of Health)1
- Nursing Research Symposium 1980 : Clinical Center, National Institutes of Health)1
- Nursing Research Symposium 1981 : Bethesda, Md.)1
- Nursing Research Symposium 1984 : National Institutes of Health)1
- Ockenden, photographer1
- Odint︠s︡ov, V. G., artist1
- Orgel-Köhne, Liselotte, photographer1
- Orteschi, Pietro, 1744-1791, author1
- Ortiz, G., artist1
- Osborne, Terrance, artist1
- Osiander, Friedrich Benjamin, 1759-1822, author1
- Ostade, Adriaen van, 1610-16851
- Ostade, Adriaen van, 1610-1685, artist1
- Oszkár, Kallós, 1874-1955, photographer1
- PHARMAGORA (1988 : Paris, France)1