| Acronym | Definition |
|---|
| CHOP | Children's Hospital of Philadelphia (Philadelphia, PA) |
| CHOP | Change in Operational Control |
| CHOP | Channel Operator |
| CHOP | Change of Operational Control (US DoD) |
| CHOP | C/Ebp-Homologous Protein |
| CHOP | Channel Operator (IRC) |
| CHOP | Chief Operator |
| CHOP | Countermeasures Hands-On Program |
| CHOP | Configuring, Healing, Optimizing and Protecting (computing; IBM) |
| CHOP | Change of Operations |
| CHOP | Cytoxan, Hydroxyrubicin (Adriamycin), Oncovin (Vincristine), Prednisone (chemotherapy regimine) |
| CHOP | Change of/In Operational Control/Command |
| CHOP | Change of Operational Plan |