| Abbreviation | Definition |
|---|---|
| HQB | HeadQuarters Battalion |
| HQC | HeadQuarters Company |
| HQCMD | Headquarters Command |
| HQCOMDT | Headquarters Commandant |
| HQD | HeadQuarters Detachment |
| HQDA | Headquarters, Department of the Army |
| HQDA-PRB | Headquarters, Department of the Army, Project Review Board |
| HQEIS | Headquarters Executive Information System |
| HQF | HeadQuarters Force |
| HQFM-Net | HAVE QUICK Frequency Modulation Net |
| HQFMT-Net | HAVE QUICK Frequency Modulation Training Net |
| HQG | HeadQuarters Garrison |
| HQG | HeadQuarters Group |
| HQI | HeadQuarters Installation |
| HQIMA | Headquarters Installation Management Agency |
| HQIMCOM | Installation Management Command Headquarters |
| HQISR | Headquarters Installation Status Report |
| HQL | HeadQuarters Liaison |
| HQMC | Headquarters Marine Corps |
| HQMC | Headquarters, Marine Corps |