| JTA | Jacknife Trucker Association | 杰克尼夫卡车司机协会 |
| JTA | Jamaica Teachers Association | 牙买加教师协会 |
| JTA | Japan Toilet Association | 日本厕所协会 |
| JTA | Japan Telemarketing Association | 日本电话营销协会 |
| JTA | Jitter Time Analysis | 抖动时间分析 |
| JTA | Jace The Ace | 王牌杰斯 |
| JTA | Jackson Transit Authority | 杰克逊交通管理局 |
| JTA | Joint Travel Agreement | 联合旅行协议 |
| JTA | Joint Transfer Agreement | 联合转让协议 |
| JTA | Joint Tactical Architecture | 联合战术体系结构 |
| JTA | Joint Table of Allowances | 公差联合表 |
| JTA | Jewish Telegraphic Agency (news service) | 犹太电讯社（新闻服务） |
| JTA | Jacksonville Transportation Authority (Florida) | 杰克逊维尔交通局（佛罗里达州） |
| JTA | Joint Training Academy | 联合训练学院 |
| JTA | Java Transaction API (Sun Microsystems) | Java事务API（Sun Microsystems） |
| JTA | Job Task Analysis | 工作任务分析 |
| JTA | Joint Test Assembly | 接头测试组件 |
| JTA | Joint Technical Assistance | 联合技术援助 |
| JTA | Joint Technical Architecture | 联合技术架构 |
| JTA | Jewish Telegraphic Agency | 犹太电讯社 |