CSII
| Acronym | Definition |
|---|---|
| CSII | Continuous Subcutaneous Insulin Infusion |
| CSII | Cancer Surveillance Improvement Initiative |
| CSII | Cable Satisfaction International, Inc. (Canada) |
| CSII | Center for Systems Interoperability and Integration |
| CSII | Communication Services Integrated, Inc. (Carrollton, GA) |
| CSII | Child Support in Illinois (parental support) |
| CSII | Customer Service Improvement Initiative |