| Acronym | Definition |
|---|
| BTJ➣Brigadas Técnicas Juveniles (Spanish: Youth Technical Brigades; youth science organization; Cuba) |
| BTJ➣Bibliothèque de Travail Junior (French children's literature review) |
| BTJ➣Back to Jerusalem (Christian movement) |
| BTJ➣Building Trades Journeyman |
| BTJ➣Buried Tunnel Junction |
| BTJ➣Bridgestone Tire Japan Co., Ltd. (Japan) |
| BTJ➣Baltimore Technologies Japan |
| BTJ➣Baltic Transport Journal |
| BTJ➣Bending Towards Justice (blog) |
| BTJ➣Basic Technical Japanese |
| BTJ➣Brevard Technical Journal |