Hida can refer to:
- Locations
- Hida Province, a former province in Japan
- Hida, Gifu, a city in Gifu Prefecture, Japan
- Hida (region), the northern region of Gifu Prefecture, Japan
- Hida, Sălaj, a commune in Romania
- Transportation
- Hida (train), a train service in Japan
- JCG Hida class patrol vessel - a class of patrol vessel of the Japan Coast Guard
- Acronyms
- HIDA, Health Industry Distributors Association
- Hydroxy iminodiacetic acid, abbreviated as HIDA
- HIDA scan, cholescintigraphy using hydroxy iminodiacetic acid
- People
- Hebrew acronym for Rabbi Chaim Joseph David Azulai