| Heka | Ancient Egyptian god of magic |
| Hekate | Greek goddess of the crossroads |
| Helaia | Ancient Athenian supreme court |
| Helgaai | A variant of the name Helga |
| Hemingway | Dweller at the hemp field |
| Hemlock | A poisonous flowering plant |
| Hermi | Derived from the god Hermes |
| Hesi | One who is full of praise |
| Hesperus | The personification of evening |
| Hetepheres | Her face is propitious |
| Hex | A magical spell or a curse. |
| Hia | A name meaning life or living. |
| Hialeah | A beautiful prairie or meadow. |
| Hiei | Flying shadow or dark shadow. |
| Hikari | A name meaning light or glow. |
| Hildaai | A battle maiden or warrior. |
| Himeko | A noble child or princess. |
| Himvan | One who lives in the snow. |
| Hinata | A sunny place or sunflower. |
| Hitin | A name meaning to be gifted. |
| Hito | A Japanese name meaning person. |
| Hodel | A Hebrew name meaning myrtle tree. |
| Hodor | A name meaning hold the door. |
| Holo | A name meaning a hollow place. |
| Honeybell | A sweet and belllike flower. |
| Honoka | A name meaning harmony flower. |
| Hotaru | A Japanese name meaning firefly. |
| Howlin | A name meaning to cry out loud. |
| Hri | A Sanskrit name meaning modesty. |
| Hridhay | A name meaning the human heart. |
| Huckle | A small dark edible berry. |
| Hunu | A name meaning sweet honey. |
| Hurricane | A powerful tropical storm. |
| Hutash | The Chumash earth goddess. |
| Hux | A name meaning from the hill. |
| Hvar | A sunny island in Croatia. |
| Hya | A name meaning life or soul. |
| Hymn | A song of praise or worship. |