| Abbreviation | Definition |
|---|---|
| NCPR | North Carolina Phosphate Rock |
| NCS | Norwegian Continental Shelf |
| ND | Nanda Devi |
| NDSZ | Nyainqntanglha Ductile Shear Zone |
| NDT | Note De Transduction |
| NEC | Neutral Earth Compensator |
| NED | National Elevation Dataset |
| NED | New England Diamond |
| NEIS | National Earthquake Information Service |
| NEMWS | North, East, Middle, West, South |
| NER | Ninetyeast Ridge |
| NERD | National Earthquake Research Department |
| NESW | North, East, South, West |
| NEWS | North, East, West, South |
| NF | Natural Flat |
| NF | Nugget Finder |
| NFPR | North Fork Payette River |
| NGDC | National Geophysical Data Center |
| NGF | Nivellement Général de la France |
| NGP | Northern Great Plains |