- Hakkas mountain air
- Hakka tunes to bamboo boards
- Hakodate
- Hakone Sculpture Park
- Hak Pak
- Hakucho
- Hakuin
- HAL
- Halaf Culture
- Halakhah
- halation
- halauxifen-methyl
- Halawe
- HALCA
- Haldane effect
- Haldan Keffer Hartline
- Hale
- Haleakalā National Park
- Hale crater
- haleniae herba
- Hale Observatories
- Hale period
- Hale sector boundary
- Hale's law
- Hale Telescope