His
- Angle of His
- Bundle of His
- H.I.S. (travel agency)
- Halspiviridae
- Hangzhou International School
- Harare International School
- Health information system
- Hightech Information System
- His, Agder
- His, Haute-Garonne
- His-tag
- Hiss (disambiguation)
- Histidine
- Hokkaido International School
- Hollandsch-Inlandsche School
- Honeywell Information Systems
- Hospital information system
- Hsinchu International School
- Human identical sequence
- Hybrid intelligent system
- Microsoft Host Integration Server
- VIS1
- Wilhelm His Jr.
- Wilhelm His Sr.