NIES

NIES is an initialism, which may refer to:

 N ewly i ndustrializing e conomie s :
 * Four Asian Tigers
 * Newly industrialized country

Various organizations:
 * National Institute for Environmental Studies, Japan
 * Northern Ireland Electricity Service
 * Nanjing Institute of Environmental Sciences, China
 * National Industry Extension Service, Australia

Various tools or systems:
 * National Imagery Exploitation System, of the National Geospatial-Intelligence Agency, United States Department of Defense

Various academic studies:
 * Nauru Island Effect Study, carried out by the[United States Department of Energy from September 2002 to June 2003 to study the island's influence on atmospheric radiation measurement (ARM) at a measurement site located on Nauru.