HII

HII may refer to:

People

Xǔ (surname) (許/许), spelled Hii based on its Hakka or Min Dong pronunciations
- Hii King Chiong (born 1957), Malaysian businessman
- Joseph Hii Teck Kwong (born 1965), Malaysian Catholic bishop
- Mimi Hii (born 1969), British chemist
- Remy Hii (born c. 1986), Australian actor

Huntington Ingalls Industries, Inc., doing business as HII, an American shipbuilder and sole provider of the US Navy's aircraft carrier fleet
H-II, a family of Japanese liquid-fueled rockets
- H-IIA
- H-IIB
- H-II Transfer Vehicle, a Japan Aerospace Exploration Agency uncrewed spacecraft
H II region, a region of interstellar atomic hydrogen that is ionized
Hinduri language, spoken in India
Human Influence Index
Human Interface Infrastructure, or HII, part of the Unified Extensible Firmware Interface
Hydraulics International
Islamic and National Revolution Movement of Afghanistan (Persian: حرکت انقلاب اسلامی افغانستان, romanized: Harakat-i-Inqilab-i-Islami)
Lake Havasu City Airport, Arizona, United States (IATA code)
HII (album), a 1997 album by Japanese producer DJ Honda
Hii River