nPNA
| Acronym | Definition |
|---|---|
| nPNA | Normalized Protein Nitrogen Appearance (nutrition) |
| nPNA | Nexon Publishing North America |
| nPNA | Normal Park Neighborhood Association (Ypsilanti, MI) |
| nPNA | Non-Protein Nitrogen Appearance |
| nPNA | Normalized Protein N Appearance (biochemistry) |
| nPNA | N-Phenyl-1-Naphthylamine |