| Acronym | Sense | Language | Topics |
|---|---|---|---|
| HP | Honora Prezidanto | In Esperanto | → Organizations and associations |
| HP | Handling Procedure | In English | → Engineering, technology |
| HP | Hewlett-Packard | In English | → Computer science |
| HP | Horsepower | In English | → Electrical engineering |
| HP | Hydrogen Purge | In English | |
| HP | Perigee Altitude | In English | → Aeronautics, aircraft → Astronautics |
| HP | Pressure Altitude | In English | |
| HP | Hewlett Packard | In English | → Computer hardware |
| HP | Hrvatski Proljećari (www.hrvatski-proljecari.hr) | In Croatian | → Political parties and movements |
| HP | Horse Power | In English | → Mechanical engineering |
| HP | Hôpital Psychiatrique | In French | → Psychiatry |