- Henderson, Lorenzo N.3
- Hewson, Thomas T.1
- Hewson, William, 1739-17743
- Hill, O. R. (Otho Reed), author1
- Himbel, William.4
- Hind, John, fl. 1757-1832, compiler1
- Hodge, Hugh L. (Hugh Lenox), 1796-18737
- Ḥusaynī, Muḥammad Muʼmin, -16981
- Ibn Jazlah, Yaḥyá ibn ʻĪsá, -11001
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-12882
- Jaldakī, Aydamar ibn ʻAbd Allāh, active 1349-13619
- Jardine, L. J.1
- Jābir ibn Ḥayyān.1
- Johnson, Julian, Major1
- Jones, Glenn I.1
- Jurjānī, Ismāʻīl ibn Ḥasan, 1042 or 1043-1136 or 11371
- Kagawa, Ransai, 1771-18331
- Kalliburcis, P., author1
- Kitzmiller, John.1
- Kleberg.1