| Abbreviation | Definition |
|---|---|
| INIS | Irish Naturalisation and Immigration Service |
| INIS | Irish Naturalisation Immigration Service |
| INS | Immigration and Normalization Service |
| INZ | Immigration New Zealand |
| IO | Immigration Officer |
| IOSC | Immigration Outreach Service Center |
| IPALS | Immigrant Parents as Literacy Supporters |
| IPC | Immigration Policy Center |
| IPGS | Immigration Population Growth and Skills |
| IRCC | Immigration Refugees and Citizenship Canada |
| IRCC | Immigration, Refugees and Citizenship Canada |
| IRCC | Immigration, Refugees and Citizenship Canada/Immigration, Réfugiés et Citoyenneté Canada |
| IRCC | Immigration, Réfugiés et Citoyenneté Canada |
| IRIS | Immigration Reception and Information Services |
| IRIS | Integrated Refugee and Immigrant Services |
| IRIS | Integrated Refugee Immigrant Services |
| IRL | Immigration Restriction League |
| IRMH | Immigrant Refugee and Migrant Health |
| IRPC | Immigration Reception and Processing Centre |
| IRRC | Immigrant and Refugee Resource Collaborative |