| Abbreviation | Definition |
|---|---|
| IKSA | Izin Kepemilikan Senjata Api (Indonesian: Licensed Firearms Ownership) |
| IKTM | Institut Kemahiran Tinggi Mara |
| ILAVA | Indonesian Laboratory Animal Veterinarians Association |
| ILRC | Indonesian Legal Resource Center |
| ILTI | Indonesian Language Teacher Immersion |
| IMCV | Indonesian Muslim Community of Victoria |
| IMD | Inisiasi Menyusui Dini |
| IMHA | Indonesian Mental Health Association |
| IMI | Ikatan Motor Indonesia |
| IMJ | Indonesian Mining Journal |
| IMYF | Indonesian Maritime Youth Festival |
| INAPR | Indonesian Association for Pattern Recognition |
| INASTI | Indonesia Science and Technology Index |
| INCCA | Indonesia Congress and Convention Association |
| INI | Indonesian Netherlands Incorporated |
| INKOPAD | INduk KOPerasi Angkatan Darat |
| INPRES | Instruksi Presiden |
| INPRES | Instruksi Presiden (Presidential Instruction) |
| IODI | Ikatan Olahraga Dansa Indonesia |
| IP | Indeks Prestasi |