NIR or Nir may refer to:
Science and technology
- Near-infrared, a region within the infrared part of the electromagnetic radiation spectrum
- Near-infrared spectroscopy, a spectroscopic method that uses the near-infrared region (from 780 nm to 2500 nm).
- National Identity Register, a former UK database
- National Internet registry, which coordinates IP address and other resource allocation
- NIR, proposed variation of the SECAM colour television system in the Soviet Union
- Numéro d'inscription au répertoire national d'identification des personnes and numéro d'inscription au répertoire, national identity numbers; see INSEE code
Places
- Nir, Iran (disambiguation), several places in Iran
- Negros Island Region, one of the 18 regions of the Philippines
- Nigeria, UNDP country code
- Northern Ireland (FIFA country code: NIR, ISO 3166 code: GB-NIR), a part of the United Kingdom
- Ness Islands Railway, a miniature railway in Scotland
Other uses
- Nir (name), a Hebrew given name and surname
- Northern Ireland Railways, the railway operator in Northern Ireland
- Rate of natural increase, a demographic metric of population increase
See also
Topics referred to by the same term This disambiguation page lists articles associated with the title NIR.If an internal link led you here, you may wish to change the link to point directly to the intended article. Categories: