| CIRCE | Centro de InformaciÓn y Red de CreaciÓn de Empresas (Spain) | Centro de InformaciÓn y Red de CreaciÓn de Empresas (Spain) |
| CIRCE | Computing In A Roving Chaotic Environment | 流动混沌环境中的计算 |
| CIRCE | Countermobility Remote Control System | 反机动远程控制系统 |
| CIRCE | Catalogo Informatico Riviste Culturali Europee (Trento, Italy) | Catalogo Informatico Riviste Culturali Europee（意大利特伦托） |
| CIRCE | Confusion-limited Infrared Cosmology Explorer | 困惑受限红外宇宙学探索者 |
| CIRCE | Classics and ICTResources Course for Europe | 欧洲经典与ICT资源课程 |
| CIRCE | Cornell Institute for Research in Chemical Ecology | 康奈尔化学生态学研究所 |