| Acronym | Definition |
|---|
| GNB➣Greensburg (Amtrak station code; Greensburg, PA) |
| GNB➣Guinea-Bissau (ISO Country code) |
| GNB➣Good News Bible |
| GNB➣Geographical Names Board (Australia) |
| GNB➣Gas Non-Blowback (pistol) |
| GNB➣Gaussian Normal Basis |
| GNB➣Gender Non-Binary |
| GNB➣Goliath National Bank (How I Met Your Mother fictional bank) |
| GNB➣Gram-Negative Bacillus |
| GNB➣Group of Notified Bodies |
| GNB➣Gardner National Bank (Gardner, KS) |
| GNB➣Grenoble, France - St Geoirs (Airport Code) |
| GNB➣Graphical Network Browser (Nortel) |
| GNB➣Global Networked Business |
| GNB➣Ging Nang Boyz (band) |
| GNB➣Gould National Batteries, Inc. |
| GNB➣Gesellschaft für Nuklear-Behalter, MbH |
| GNB➣Great North Badge Company (UK) |
| GNB➣Gears and Beers |