- Griesinger, Wilhelm, 1817-18681
- Grisolle, Augustin, 1811-18691
- Gueneau de Mussy, Noel, 1813-18851
- Guerin, Jules Rene, 1801-18861
- Gurlt, Ernst Julius, 1825-18991
- Guy, William A. (William Augustus), 1810-18851
- Habershon, Samuel Osborne, 1825-18891
- Hahnemann, Samuel, 1755-18431
- Hancock, Albany, 1806-18731
- Hardy, Alfred, 1811-18931
- Hawkins, Caesar H.1
- Headland, Frederick William1
- Hearts1
- 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