NHI

NHI may refer to:

Health

 * National Health Index (NHI) Number, a unique identifier used in the New Zealand health system
 * National Health Insurance, or a specific national scheme:
 * National Health Insurance (British Virgin Islands)
 * National Health Insurance Scheme (Ghana)
 * National Health Insurance (Japan) 国民健康保険 (Kokumin-Kenkō-Hoken)
 * National Health Insurance Scheme (Nigeria)
 * National Health Insurance (South Africa)
 * National Health Insurance (Taiwan)全民健康保險（chuan min chien kang pao hsien)
 * National Holistic Institute, in the United States
 * Nourishing Herbal Infusion

Helicopters

 * Nederlandse Helikopter Industrie, a Dutch manufacturer of helicopters
 * NHIndustries, a manufacturer of helicopters

Other fields

 * National Hispanic Institute in the United States, a think-tank focused on the leadership development of young Latinos
 * National Historical Institute, in the Philippines
 * New Horizon Interactive, a video games company, which has developed the popular Club Penguin MMOG
 * Non-human intelligence, a term encompassing the intellectual abilities of anything outside of humanity