| Acronym | Definition |
|---|
| NAPL | Non-Aqueous Phase Liquid |
| NAPL | National Association for Printing Leadership |
| NAPL | National Association of Printers and Lithographers |
| NAPL | National Air Photo Library (Canada) |
| NAPL | North American Palladium Ltd. (Canada) |
| NAPL | North American Polo League |
| NAPL | Not Another Programming Language (computer programming) |
| NAPL | North American Paintball League |
| NAPL | Northampton Area Public Library (Northampton, Pennsylvania) |
| NAPL | National Amateur Pool League (New York, NY) |
| NAPL | North American Poker League (PokerStars) |
| NAPL | Network Amateur Poker League (Indianapolis, IN) |
| NAPL | Network Architecture and Performance Lab |