| Acronym | Definition |
|---|
| CSIR➣Council for Scientific and Industrial Research (South Africa and Ghana) |
| CSIR➣Council of Scientific and Industrial Research (New Delhi, India) |
| CSIR➣Channel State Information Receiver |
| CSIR➣Centre for Scientific and Industrial Research |
| CSIR➣Corpo di Spedizione Italiano (Italian Army Division; WWII) |
| CSIR➣Chemistry Software and Information Resources |
| CSIR➣Computer Security Incident Response |
| CSIR➣Center for the Study and Improvement of Regulation |
| CSIR➣Capacitively Stepped-Impedance Resonator |
| CSIR➣Capacitor Start Induction Run (electronics) |
| CSIR➣Classified Search and Image Retrieval |
| CSIR➣Channel State Information Available to the Receiver |
| CSIR➣Computer Systems Integration Review (hardware/software; NASA) |
| CSIR➣Communications-Computer Systems Installation Record |
| CSIR➣Class Schedule and Instructional Record (University of California, Berkeley) |
| CSIR➣Centrum Srodowiska i Rozwoju (Poland) |
| CSIR➣Communications Systems Installation Records |
| CSIR➣Centre Social d'Intégration aux Réfugiés (French) |