| Acronym | Definition |
|---|
| LPN | Licensed Practical Nurse |
| LPN | Linkin Park Network (Linkin Park fansite) |
| LPN | Longview, Portland & Northern (various locations) |
| LPN | Liga para A Protecção da Natureza (Portugal) |
| LPN | La Pine (Amtrak station code; La Pine, Or) |
| LPN | Logical Path Name |
| LPN | Lenovo Partner Network |
| LPN | Logical or Physical Notch |
| LPN | License Plate Number |
| LPN | Lenovo Partner Network (computer equipment) |
| LPN | Laparoscopic Partial Nephrectomy (surgical procedure) |
| LPN | Lee Press-On and the Nails (band) |
| LPN | Low Phase Noise |
| LPN | Loan Participation Note (finance fixed income) |
| LPN | Logical Page Number |
| LPN | League for the Protection of Nature (Portugal) |
| LPN | Libertarian Party National |
| LPN | Laboratory for Photonics and Nanostructures |
| LPN | Low Pressure Nitrogen |
| LPN | Lateral Posterior Nucleus |
| LPN | Local Packet Network |
| LPN | Latin Print Network |
| LPN | Local Purchase Number |