NIG
| Acronym | Definition |
|---|---|
| NIG | Naval Inspector General (US Navy) |
| NIG | National Industries Group (Kuwait) |
| NIG | National Institute of Genetics |
| NIG | Nigeria Internet Group (Lagos, Nigeria) |
| NIG | Non-Investment Grade (bonds) |
| NIG | Navy Inspector General |
| NIG | National Insurance Guarantee Corporation Ltd. (UK insurance company) |
| NIG | New in Germany |
| NIG | Norddeutsche Jugend Im Internationalen Gemeinschaftsdienst eV |
| NIG | not in goal (soccer) |