| Acronym | Definition |
|---|
| GJB➣Gap Junction Protein |
| GJB➣George Jackson Brigade |
| GJB➣Genuine Junk Band (band) |
| GJB➣Gerakan Jogja Bangkit (Indonesian: Jogja Movement Rising; Jogja, Indonesia) |
| GJB➣German Jail Brothers (gaming clan) |
| GJB➣George Janouris Band (band) |