| Acronym | Definition |
|---|
| ICSP➣In Circuit Serial Programming (MicroCHIP) |
| ICSP➣International Committee on Systematics of Prokaryotes |
| ICSP➣International Conference on Signal Processing |
| ICSP➣Insurance Company of the State of Pennsylvania |
| ICSP➣Institute of Certified Sales Professionals (Nigeria) |
| ICSP➣Interagency Committee on Standards Policy (advises the US Secretary of Commerce and other Executive branch agencies in standards policy matters) |
| ICSP➣International Conference on Shot Peening |
| ICSP➣Interactive Computer Service Provider |
| ICSP➣Inter-Carrier Service Provider |
| ICSP➣Integrated Cost and Scheduling Package |
| ICSP➣Integrated Communications Support Plan |
| ICSP➣International Corporate Service Provider (Seychelles) |