Name
- Hemsley, William Botting, botanist1
- Henriques, Julio Augusto, Portuguese botanist1
- Henslow, George, Reverend; botanist1
- Henslow, John Stevens, clergyman and botanist, 1796-18611
- Herdman, William Abbott, marine naturalist; Knight 19221
- Herschel, John Frederick William, 1st Baronet, mathematician and astronomer, 1792-18711
- Hertslet, Lewis, Foreign Office Librarian1
- Hicks, Henry, geologist1
- Hickson, Sydney John, naturalist1
- Hill, Alexander, Master of Downing College Cambridge1
- Hill, Matthew Davenport, Assistant Master at Eton 18961
- Hill, Octavia, housing and social reformer, 1838-19121
- Hinde, George Jennings, geologist1
- Hobkirk, Charles Codrington Pressick, banker and naturalist1
- Hodgkin, Thomas, physician1
- Hohenacker, Rudolf Friedrich, German botanist1
- Holl, Harvey B., of Cheltenham1
- Holmes, Edward Morell, botanist and pharmacist1
- Holmes, George Box, of Horsham1
- Homan, Christian H., Norwegian geologist1