NICI

NICI may refer to:
 * National Information and Communications Infrastructure, a program initiative of UNECA in Africa
 * Nijmegen Institute for Cognition and Information, a Dutch research institute
 * NICI AG, a German toy manufacturer
 * Negative ion Chemical ionization, now more frequently abbreviated NCI, a mode of operation of a gas chromatography - mass spectrometry (GC-MS) system that allows molecules resolved by GC to be measured as negative ions by MS.
 * National Innovative Capacity Index