NGI

NGI may refer to:


 * NGI Airport or Gau Airport, an airport in Fiji
 * National Geographic Institute (Belgium), the Belgian national mapping agency
 * Navigazione Generale Italiana, an Italian shipping company
 * Next Generation Identification, a project of the US Federal Bureau of Investigation (FBI)
 * Next generation interceptor (NGI)
 * Next Generation Internet (disambiguation)
 * Northern Gulf Institute, a US National Oceanic and Atmospheric Administration (NOAA) Cooperative Institute
 * Norwegian Geotechnical Institute, a private geoscience research and consulting foundation
 * National Genetics Institute, genetics laboratory co-founded by Andrew Conrad
 * Nehemiah Global Initiative, a non-governmental organization founded by Kenneth Bae