| Abbreviation | Definition |
|---|---|
| HOLA | Hispanic Organization of Latin Actors |
| HOS | Humilitas Occidit Superbiam |
| HSE | Hic Sepultus Est |
| HT | Horus Terra |
| HVCA | Heating Ventilating Contractors Association |
| I.E | Id Est |
| i.e. | Id Est |
| i.e. | that is ("id est" [Lat.]) |
| IBID | Ibidem |
| IC | Imum Coeli |
| ICIRA | Instituto de Capacitacion e Investigacion en Reforma Agraria (Chile) |
| ID | Idem |
| IE | Id Est |
| IE | Individual Education |
| IEF | Igni Et Ferro |
| IELA | Internships in Emerging Latin America |
| IHS | Iehus Hominum Salvator |
| IHS | In Hoc Signo |
| IHSV | In Hoc Signo Vinces |
| ILAS | Institute of Latin American Studies |