CSIR may refer to:
;Organizations:
* Council for Scientific and Industrial Research, an earlier name for the
Commonwealth Scientific and Industrial Research Organisation
The Commonwealth Scientific and Industrial Research Organisation (CSIRO) is an Australian Government agency that is responsible for scientific research and its commercial and industrial applications.
CSIRO works with leading organisations arou ...
, Australia between the years 1926 and 1949
*
Council for Scientific and Industrial Research – Ghana
*
Council for Scientific and Industrial Research
A council is a group of people who come together to consult, deliberate, or make decisions. A council may function as a legislature, especially at a town, city or county/shire level, but most legislative bodies at the state/provincial or nati ...
, South Africa
*
Council of Scientific and Industrial Research
The Council of Scientific and Industrial Research (CSIR; IAST: ''vaigyanik tathā audyogik anusandhāna pariṣada'') is a research and development (R&D) organisation in India to promote scientific, industrial and economic growth. Headquarter ...
, India
*
Italian Expeditionary Corps in Russia, or ''Corpo di Spedizione Italiano in Russia''
;Technology:
*
Channel state information at the receiver
;Medicine:
* Cross-sectional
Interventional radiology
Interventional radiology (IR) is a medical specialty that performs various minimally-invasive procedures using medical imaging guidance, such as Fluoroscopy, x-ray fluoroscopy, CT scan, computed tomography, magnetic resonance imaging, or ultraso ...
{{Disambiguation