NLFA
| Acronym | Definition |
|---|---|
| NLFA | Nouvelle Ligne Ferroviaire à Travers les Alpes (French: New Railway Lines under the Alps) |
| NLFA | National Lamb Feeders Association |
| NLFA | Newfoundland and Labrador Federation of Agriculture (Canada) |
| NLFA | National Listing of Fish Advisories (EPA database includes all available information describing state-, tribal-, and federally-issued fish consumption advisories) |
| NLFA | Neutral Lipid Fatty Acid (biomedicine) |
| NLFA | Newfoundland and Labrador Fencing Association |