CIRSS
| Acronym | Definition |
|---|---|
| CIRSS | Center for Informatics Research in Science and Scholarship (University of Illinois at Urbana-Champaign) |
| CIRSS | Comitato Italiano Ricerche Studi Subacquei (Italian: Italian Committee for Underwater Research Studies) |
| CIRSS | Center for International Relations and Strategic Studies (Philippines) |