| Abbreviation | Definition |
|---|---|
| HWI | Howe Writing Initiative |
| HWPA | Horserace Writers Photographers Association |
| HWR | Hand Writing Recognition |
| HWROS | He Wanna Reap where One has not Sown |
| HWT | Handwriting Without Tears |
| IAC | Introductory Adverbial Clause |
| IADOTC | It All Depends On The Context |
| IAEL | Intensive Academic English Language |
| IAL | International Algorithmic Language |
| IAL | International Auxiliary Language |
| IALL | Internet Assisted Language Learning |
| IALS | Institute for Applied Language Studies |
| IALS | International Academic and Language Support |
| IALS | International Academic Language Support |
| IAWE | Israel Association of Writers in English |
| IBL | Integrated Blitz Language |
| IBLC | International Business Language and Culture |
| IBML | International Business and Modern Languages |
| IBSA | International Bilingual Schools of Africa |
| IBSL | Institute of British Sign Language |