| Acronym | Definition |
|---|
| IDOP➣International Day of Prayer |
| IDOP➣Indirect Object Pronoun |
| IDOP➣International Day of the Older Person (New Zealand) |
| IDOP➣Iowa Department of Personnel (human resources) |
| IDOP➣Interfaith Day of Prayer (various locations) |
| IDOP➣Identification Operational |