| Acronym | Definition |
|---|
| PNL | Pacific Northwest National Laboratory (usually seen as PNNL; Richland, WA) |
| PNL | Panel |
| PNL | Partidul National Liberal (National Liberal Party, Romania) |
| PNL | Programmazione Neuro-Linguistica (Italian: Neuro-Linguistic Programming; psychology) |
| PNL | Peace 'N' Lovés (French rap group) |
| PNL | Program Neighborhood Light |
| PNL | Programación Neuro Lingüistica (Spanish) |
| PNL | Percutaneous Nephrolithotomy |
| PNL | Profit and Loss (statement/analysis; business/accounting) |
| PNL | Perceived Noise Level |
| PNL | Pulsed Nucleation Layer (semiconductors) |
| PNL | Pantelleria, Italy - Pantelleria (Airport Code) |
| PNL | Power Networking Lunch (various locations) |
| PNL | Pacific Northwest League (baseball) |
| PNL | Passenger Name List (airline industry) |
| PNL | Prescribed Nuclear Load |
| PNL | Poker Night Live (TV Show in UK, Canada) |
| PNL | Pulsed Neutron Log (oil & gas industry/geology) |
| PNL | Pacific Naval Lab (Canada) |
| PNL | Pax et Lux (Tufts University motto) |
| PNL | Punks Need Lovin' (record company) |