| Abbreviation | Definition |
|---|---|
| NGV | Natural Gas For Vehicles |
| NGV | Natural Gas Vehicle |
| NGV | Natural Gas Vehicles |
| NGV | Next Generation Vehicle |
| NGVC | Natural Gas Vehicle Coalition |
| NGVS | Natural Gas Vehicle System |
| NH | National Highway |
| NH | National Highways |
| NH | Next Hop |
| NH2 | National Highway 2 (India) |
| NHAI | National Highway Authority of India |
| NHAI | National Highways Authority of India |
| NHI | National Highway Institute |
| NHIDCL | National Highways and Infrastructure Development Corporation |
| NHPN | National Highway Planning Network |
| NHS | National Highway System |
| NHS | National Holiday Service |
| NHS | Not Highway Service |
| NHSE | National Highways South East |
| NHSTB | National Highway Safety Transportation Board |