| Abbreviation | Definition |
|---|---|
| HOCC | Humanitarian Operations Coordination Center |
| HOCO | Humanitarian Operations Coordination Office |
| HOD | Head of Delegation |
| HOE | Hell On Earth |
| HOG | Hunter Of Gunmen |
| HOGE | Hover Out of Ground Effect |
| HOH | Heading Off to Hell |
| HOH | Highway Of Heroes |
| HOIS | Hostile Intelligence Service |
| HOJ | Home-On-Jam |
| HOJ | ome-On-Jam |
| HOL | High Order Language |
| HOL | High-Order Language |
| HOLDEN | Heaps Of Loud Damaging Engine Noise |
| HOM | Head Of Mission |
| HONA | Health Of Naval Aviation |
| HOOAH | How Our Opinions Are Heard |
| HOOD | High Order Of Death |
| HOOT | Home-on-Optical Transponder |
| HOPE | Head Of Procuring Entity |