| Abbreviation | Definition |
|---|---|
| HAdW | Heidelberg Academy of Sciences and Humanities |
| HAdW | Heidelberger Akademie der Wissenschaften |
| HAE | Hungarian Academy of Engineering |
| HAE | Magyar Mérnökakadémia |
| HAE | Magyar Mrnkakadmia |
| HAES | Hellenic Aeronautical Engineers Society |
| HAHS | Hanover Area Historical Society |
| HAHS | Hayward Area Historical Society |
| HAHS | Heart of America Humane Society |
| HAKMS | Hakim Ajmal Khan Memorial Society |
| HAMDS | Hellenic American Medical Dental Society |
| HAMP | ???s? F?s???? ?at????? ???ad?? |
| HAMP | •½É÷ ¦ÅùºÉ½ ™±ÄÁ¹º·Â •»»±´¿Â |
| HAMP | Enose Fysikon Iatrikes Ellados |
| HAMP | Hellenic Association of Medical Physicists |
| HANDS | Hammers and Noters Dulcimer Society |
| HANS | Health Action Network Society |
| HAPS | Hadley Angling and Preservation Society |
| HAPS | Harrisburg Area Paranormal Society |
| HAPS | Houston Area Parkinson Society |