| Abbreviation | Definition |
|---|---|
| IFLF | Islamic Fintech Leaders Forum |
| IFO | International Friendship Outreach |
| IFOC | Islamic Foundation Of Community |
| IFOC | Islamic Foundation of Co-operation |
| IFOC | Islamic Fundamentals Of Communication |
| IFOCC | International Fellowship Of Covenant Churches |
| IG | In Grace |
| IGD | Islamic Gold Dinar |
| IGNT | Interlinear Greek New Testament |
| IGT | Independent Gospel Team |
| IGTC | I'm Going To Church |
| IGWT | In God We Trust |
| IH | Immaculate Heart |
| IHC | Indianapolis Hebrew Congregation |
| IHM | Immaculate Heart of Mary |
| IHMR | Immaculate Heart of Mary Reparatrixi |
| IHN | In His Name |
| IHO | Ignorance, Hypocricy, and Obedience |
| IHOP | International House Of Prayer |
| IHS | Iesus Hominum Salvator |