| Abbreviation | Definition |
|---|---|
| CIP | Candidate Interoperability Plan |
| CIP | Capital Investment Program |
| CIP | Career Intern Program |
| CIP | Civilian Institution Program |
| CIP | Clothing Issue Point |
| CIP | Combat Information Processor |
| CIP | Command Inspection Program |
| CIP | Communications Implementation Plan |
| CIP | Communications Improvement Program |
| CIP | Communications Interface Processor |
| CIP | Consolidated Intelligence Program |
| CIP | Critical Intelligence Parameter |
| CIP | Cryptographic Interface Provider |
| CIPO | CINC (Commander IN Chief) Interoperability Program Office |
| CIPR | Concept in Process Review |
| CIPSL | Communications Interface Processor Pseudo-Line |
| CIR | Central Intelligence Report |
| CIR | Continuing Intelligence Requirement |
| CIR | Critical Information Requirements |
| CIRA | Continuity Irish Republican Army |