INA
- Aina (disambiguation)
- Dilli Haat - INA metro station
- INA Colony
- INA d.d.
- Immigration and Nationality Act (disambiguation)
- Ina (crater)
- Ina (film)
- Ina (given name)
- Ina (goddess)
- Ina (river)
- Ina (surname)
- Ina language
- Ina, Ibaraki
- Ina, Illinois
- Ina, Nagano
- Ina, Saitama
- Indian National Airways
- Indian National Army
- Indian Naval Academy
- Indonesia
- Indonesia Investment Authority
- Institut national de l'audiovisuel
- Institute of Nautical Archaeology
- Instrumentation amplifier
- Insurance Company of North America
- Interlingua
- Iraqi National Accord
- Iraqi National Alliance
- Iraqi News Agency
- Irish Newspaper Archives
- Istituto Nazionale delle Assicurazioni
- Iňa
- National Institute of Arts, Kinshasa
- Schaeffler Group