CIACS
| Acronym | Definition |
|---|---|
| CIACS | Cuerpos Ilegales y Aparatos Clandestinos de Seguridad (Spanish: Illegal Groups and Clandestine Security; Guatemala) |
| CIACS | Centro Internazionale Arte Cultura Societa (Italian: International Center for Art, Culture and Society; Parma, Italy) |
| CIACS | Cardiff Integrated Antenatal Care Scheme |