The abbreviation NEIC may refer to:
- The NigerianNational Economic Intelligence Committee
- The United States National Earthquake Information Center
- The National Energy Information Center of the United States Department of Energy
- The United States Environmental Protection Agency's National Enforcement Investigations Center
- The National Electronic Information Corporation, formerly one of largest processors for electronic healthcare transactions in the U.S., which was acquired by Envoy Corp. in 1996 as Envoy-NEIC, acquired by Healtheon/WebMD in May 2000 as WebMD-Envoy, renamed to WebMD Business Services in early 2005, and renamed again later in 2005 to Emdeon Business Services.
- The Nordic e-Infrastructure Collaboration
- The Northeast Illinois Council, an administrative district of the Boy Scouts of America