Igi
- Asia Islands
- IGY (disambiguation)
- Iggy
- Igi (short story)
- Indira Gandhi International Airport
- Industrial and General Insurance Company
- Innovative Genomics Institute
- Instrument Ground Instructor
- Interconnector Greece – Italy
- International Gemological Institute
- International Genealogical Index
- List of cuneiform signs
- Project I.G.I.
- University of International Golden Indonesia