Name
- Horsfield, Thomas, naturalist, 1773-18591
- Hovelacque, Maurice, French geologist1
- Howchin, Walter, Reverend; Australian geologist1
- Howes, Thomas George Bond, zoologist1
- Howorth, Henry Hoyle, KCIE, MP1
- Howse, Richard, geologist, of Newcastle on Tyne1
- Hoyle, William Evans, Dr, Director of Manchester Museum and of the National Museum of Wales, fl 19091
- Hudleston, Wilfred Hudleston, formerly Simpson; geologist1
- Hulke, John Whittaker, surgeon and palaeontologist1
- Hunter, Robert, of Loughton, county Essex1
- Hutton, Frederick Wollaston, Captain Deputy Assistant Quartermaster General Ireland1
- Huxley, Thomas Henry, scientist1
- Häcker, Valentin, naturalist, fl 18931
- Hébert, Edmond, geologist1
- Inwards, Richard, mining-manager1
- Irvine, Robert, analytical chemist, of Edinburgh1
- Irving, Alexander, Reverend; of Wellington College, county Berkshire1
- Jackson, Benjamin Daydon, botanist1
- Jackson, John Hughlings, physician1
- Jackson, Julian al. John Richard, Colonel; formerly of the Imperial Russian Staff; Secretary, Royal Geographical Society, d 18531