| CDIS | Call Discrimination Service 
| Others |
| CDIS | Care Detail Information System
| Others |
| CDIS | CCF Display and Information System
| Others |
| CDIS | Center Direct Injection System
| Others |
| CDIS | Centre For Discourse Intonation Studies
| Others |
| CDIS | Chronic Disease Information Services
| Others |
| CDIS | Command and Data Interface Simulator
| Others |
| CDIS | Component Distribution Information System
| Others |
| CDIS | Computer Assisted Diagnostic Interview Schedule
| Others |
| CDIS | Coordinated Direct Investment Survey
| Others |
| CDIS | Curriculum Development Institute of Singapore
| Others |