| Acronym | Definition |
|---|
| NGJ➣Next Generation Jammer (US Navy) |
| NGJ➣New Games Journalism (video game journalism) |
| NGJ➣Norman G. Jensen, Inc. (customs broker; US and Canada) |
| NGJ➣Nautilus Group Japan |
| NGJ➣Nicholson Graham & Jones LLP |
| NGJ➣Nederlands Gereformeerd Jeugdwerk (Dutch: Dutch Reformed Youth Work) |
| NGJ➣Neutralized Gastric Juice |