| Acronym | Sense | Language | Topics |
|---|---|---|---|
| CSI | Coelliptic Sequence Initiation | In English | |
| CSI | Control and Structural Integrity | In English | |
| CSI | Control Servo Input | In English | |
| CSI | Crew Software Interface | In English | → Human-computer interaction |
| CSI | Customer Source Inspection | In English | |
| CSI | Civil Society International | In English | → Organizations and associations |
| CSI | Confédération Syndicale Internationale | In French | → Organizations and associations → International relations → Labour, labour economics |
| CSI | Cité des Sciences et de l'Industrie | In French | → Museums → Mathematics and natural sciences → Applied sciences, technology |
| CSI | Criticality Safety Index | In English | → Nuclear technology |
| CSI | Customer Service Interface | In English | → Human-computer interaction |