| Abbreviation | Definition |
|---|---|
| IOTF | Interagency Oncology Task Force (FDA &NCI) |
| IOTF | Interagency Oncology Task Force (FDA NCI) |
| IP | In Progress |
| IP | Increased Productivity |
| IP | Institutional Program |
| IPA | International Purchasing Agency |
| IPAB | Independent Payment Advisory Board |
| IPAC | Issues Political Action Committee |
| IPAM | Integrated Procurement Asset Management |
| IPAT | Interagency Program for Assistive Technology |
| IPAT | Interagency Project For Assistive Technology |
| IPCC | Intergovernmental Panel on Climate Change |
| IPDP | Individual Professional Development Plan |
| IPDS | Integrated Personal Development System |
| IPDS | Interior Procurement Data System |
| IPE | Initial Prorated Entitlement |
| IPIC | Industrial Property Information Center |
| IPMD | Intellectual Property Management Division |
| IPOD | International Project for Offshore Drilling |
| IPPA | Intellectual Property Protection Act |