| Acronym | Definition |
|---|
| Ing | Ingeniero (Spanish: engineer) |
| Ing | Inglewood (California) |
| Ing | Ingenieur (Dutch: engineer) |
| Ing | Ingenieur (German: engineer) |
| Ing | Index Nominum Genericorum |
| Ing | Iraqi National Guard |
| Ing | Isaac Newton Group (of Telescopes) |
| Ing | Islamic Networks Group |
| Ing | International Network of Golf |
| Ing | Inactive National Guard |
| Ing | Inzenyr (Czech academic title engineer, corresponds to MSc) |
| Ing | Internationale Nederlanden Groep NV (Dutch bank) |
| Ing | Internet and Networking Group (Motorola) |
| Ing | Indianapolis Neurosurgical Group (Indianapolis, IN) |
| Ing | International Netherlands Group bank |
| Ing | Intelligence Network Gateway (X-Files) |