HAI
- Anal sex
- Boiany
- Fawzia Saeed Hai
- Hai (Cantonese profanity)
- Hai (film)
- Hai (keelboat)
- Hai (magazine)
- Hai (midget submarine)
- Hai (symbol)
- Hai District
- Hai Du Lam
- Hai Gaon
- Hai Lam (footballer)
- Hai River
- Hai dialect
- Hai! (Live in Japan)
- Hai, Lviv Oblast
- Hailuoto
- Haiti
- Half as Interesting
- Haï
- Health Action International
- Helicopter Association International
- Hellenic Aerospace Industry
- Hospital-acquired infection
- Hoàng Hải
- Humanist Association of Ireland
- Hái!
- Jai (disambiguation)
- List of Kannada films of 2017
- Wolfpack Hai
- Xǔ (surname)
- Yu Hai