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) 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
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).