| Abbreviation | Definition |
|---|---|
| QBTL | Quit Breaking The Law |
| QC | Qualifying Certificate |
| QC | Queen's Counsel |
| QC | Quite Close |
| QCD | Quick Claim Deed |
| QCJ | Quezon City Jail |
| QCP | Queen City Police |
| QCR | Query Case Records (DCI) |
| QCR | Question Concerning Representation |
| QDDP | Quarantine Detector Dog Programme |
| QDE | Qualified Designated Entity |
| QDE | Questioned Document Examination |
| QDI | Questioned Document Investigation |
| QDP | Qualified Domestic Partner |
| QDRO | Qualified Domestic Relations Order |
| QDX | Questioned Document Examination |
| QEW | Qualified Expert Witness |
| QI | Qualifying Individual |
| QI | Questionable Intent |
| QIJ | Qala-I Janghi prison |