| Acronym | Definition |
|---|
| IPN➣Instituto Politecnico Nacional (National Polytechnic Institute, Mexico) |
| IPN➣Instant Payment Notification (PayPal) |
| IPN➣International Preservation News (International Federation of Library Associations and Institutions) |
| IPN➣Infectious Pancreatic Necrosis |
| IPN➣Instant Payment Notification |
| IPN➣Internet Phone Number |
| IPN➣Internet Protocol Number |
| IPN➣Interplanetary Internet |
| IPN➣Inter Platform Network |
| IPN➣Ip Network |
| IPN➣International Policy Network (est. 2001) |
| IPN➣Interplanetary Network |
| IPN➣Interplanetary Internet (JPL) |
| IPN➣Interpenetrating Polymer Networks |
| IPN➣Intellectual Property Network (IBM) |
| IPN➣Instytut Pamieci Narodowej (Polish: Institute of National Remembrance) |
| IPN➣I'm Posting Naked |
| IPN➣Internet Protocol Network (computing) |
| IPN➣Institut Pédagogique National (French: National Pedogogical Institute) |
| IPN➣International Programming Network |
| IPN➣Idemitsu Petroleum Norge (Norwegian petroleum company) |
| IPN➣Inventor Presentation (animated file) |
| IPN➣Installation Processing Node (US DoD) |
| IPN➣Intelligent Packet Network |
| IPN➣Isophthalonitrile |
| IPN➣Impulse Noise |
| IPN➣Info Pool Network |
| IPN➣Iowa Prairie Network |
| IPN➣Integrated Packet Network |
| IPN➣Intelligence Processing Network |
| IPN➣Iso-Propyl Nitrate |
| IPN➣Information Processing Network |
| IPN➣Initial Physical Notification (UK) |
| IPN➣Ideal Proportional Navigation |
| IPN➣Intern Progress Note |
| IPN➣Intel Part Number |
| IPN➣Internal Point Name (Megasys) |