IHI Japan
- Country: Japan
- Type: Commercial
- Website: www.ihi.co.jp
- Update: 05-02
IHI Corporation (IHI Corproation, formerly Ishikawajima Harima Heavy Industries) is a Japanese heavy industry company founded in 1889, headquartered in Tokyo, and renamed in 2007, which produces ships, construction machinery, aero-engines, and rocket systems, as well as energy, social infrastructure, logistics, and aerospace, IHI is involved in various fields such as energy, social infrastructure, logistics, and aerospace.