| Abbreviation | Definition |
|---|---|
| HRIC | Human Rights In China |
| HROC | House Republican Organizational Committee |
| HROC | House Republican Organizing Committee |
| HSDA | High School Democrats of America |
| HSPS | Harmony School of Political Science |
| HSPS | Human Social and Political Sciences |
| HTTB | NOW KNOWN AS 'NKJB' |
| HW | Hawkish View |
| HYR | Houston Young Republicans |
| HZDS | Hnutie za demokratické Slovensko |
| I | Internationalism |
| I.N | Independent Nation |
| IA | International Alliance |
| IAC | International Alliance |
| IADO | Indo American Democratic Organization |
| IAEC | Interim Afghan Electoral Commission |
| IAP | Islamic Association for Palestine |
| IAPAC | Independent Allergists Political Action Committee |
| IAPAC | Indian American Political Advocacy Council |
| IAPAC | Indian American Political Awareness Committee |