| Abbreviation | Definition |
|---|---|
| HNS | Haines, Alaska USA |
| HNX | Hanna, Wyoming USA |
| HNY | Hengyang, Mainland China |
| HOA | Hola, Kenya |
| HOB | Lea County Regional Airport, Hobbs, New Mexico USA |
| HOC | Komako, Papua New Guinea |
| HOD | Hodeidah, Republic of Yemen |
| HOE | Houeisay, Laos |
| HOF | Hofuf, Saudi Arabia |
| HOG | Holguin, Cuba |
| HOI | Hao Island, Tuamotu Islands, French Polynesia, South Pacific |
| HOK | Hooker Creek, Northern Territory, Australia |
| HOL | Holikachuk Airport, Holikachuk, Alaska USA |
| HOL | Holikachuk, Alaska USA |
| HOM | Homer Airport, Homer, Alaska USA |
| HON | Huron, South Dakota USA |
| HOO | Quang Duc, Vietnam |
| HOQ | Hof, Germany |
| HOR | Horta, Azores, Portugal |
| HOS | Chos Malal, NE, Argentina |