HOI
HOI or Hoi may refer to:
- Hearts of Iron, a 2002 computer game
- Home insurance or homeowners insurance
- Hypoiodous acid, chemical formula HOI
- Hoi District, Aichi, a former district of Japan
- Hoxnian geological stage, HOI is sub-stage I
- Carsten Høi (born 1957), Danish chess Grandmaster
- Hao Airport IATA code
- Hoi (video game), a 1992 video game for the Amiga
Hoi
Hoi