- Hardy, Alfred, 1811-18931
- Hawkins, Caesar H.1
- Headland, Frederick William1
- Heath, Christopher, 1835-19051
- Hebra, Ferdinand, Ritter von, 1816-18801
- Heller1
- Helmholtz, Hermann von, 1821-18941
- Herschel, John F. W. (John Frederick William), Sir, 1792-18711
- Hey, William, 1772-18441
- Hicks, John Braxton1
- Hillier, Thomas, 1831-18681
- Hilton, John, 1804-18781
- Hodges, Richard Manning, 1827-18961
- Hoffman1
- Holland, Henry, Sir, 1788-18731
- Holmes, Oliver Wendell, 1809-18941
- Holmes, W. Theodore1
- Holthouse, C. (Carsten), 1810-19011
- Hyrtl, Joseph, 1811-18941
- Jackson, J. B. S. (John Barnard Swett), 1806-18791