IPN
IPN may refer to:
- Independent Practitioners Network
- Indo Pakistan News, Online Newspaper
- Instytut Pamięci Narodowej (Institute of National Remembrance)
- Instituto Politécnico Nacional
- International Policy Network
- InterPlaNetary internet
- InterPlanetary Network, a group of spacecraft equipped with gamma-ray burst detectors. By timing the arrival of a burst at several spacecraft, its precise location can be found.
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- Isopropyl nitrate, a liquid monopropellant