Hōne7 - hypo
- hybridtea
- hybridvigor
- hybris
- hyd.
- hydantoin
- Hydaspes, Battle of the
- hydathode
- hydatid
- hydatidiform mole
- Hyde
- Hyde de Neuville, Jean-Guillaume, Baron
- Hyde Park
- Hyde Park Corner
- Hyde, Charles Cheney
- Hyde, Douglas
- Hyde, Henry Baldwin
- Hyde, Henry John
- Hyde, Philip Jean
- Hyde, Sir Nicholas
- Hyde,Douglas