| IP | Inhalable Particle | - | Computer Acronyms(common) |
| IP | Impact Parameter Approximation | - | Computer Acronyms(common) |
| IP | Ionization Potential | - | Computer Acronyms(common) |
| IP | Internet Protocol | - | Computer and Internet |
| IP | Internet Protocol | - | Human Genome |
| IP | Insurance Pain - Neck Pain Secondary To A Minor Car Bump | - | NASA |
| IP | Identification Of Position | - | Organizations |
| IP | Igloo Pallet | - | Organizations |
| IP | Impact Point | - | Organizations |
| IP | Inertial Processing | - | Organizations |
| IP | Instructor Pilot | - | Organizations |
| IP | Instrumentation Payload | - | Organizations |
| IP | InstruMentation PCM Data Bus | - | Organizations |
| IP | Instrumentation/pulse Code Modulation Master Unit Data Bus | - | Organizations |
| IP | Intermediate Pallet | - | Organizations |
| IP | Intermediate Pressure | - | Organizations |
| IP | Clipperton Island (FIPS 10-4 Territory Code) -Initial Point - Intellectual Property - Internet Protocol | - | Astronomy |
| IP | Internet Protocol | - | Business and Finance |
