| LTP | long term potentiaton | 长时程增强 |
| LTP | Laboratorium voor Toegepaste Psychologie (Amsterdam, The Netherlands) | voor Toegepaste心理学实验室（荷兰阿姆斯特丹） |
| LTP | Licensed Tax Practitioner (Oregon) | 持证税务从业者（俄勒冈州） |
| LTP | Liturgy Training Publications | 法律培训出版物 |
| LTP | Long Term Performance | 长期绩效 |
| LTP | Lupong Tagapagpaganap ng Pook | Lupong Tagapagpagaap ng Pook先生 |
| LTP | Last Traded Price | 上次交易价格 |
| LTP | Lower Trip Point | 下限触发点 |
| LTP | Long-Term Predictor | 长期预测者 |
| LTP | License Termination Plan | 许可证终止计划 |
| LTP | Latest Takes Precedence (stage lighting) | 最新优先（舞台灯光） |
| LTP | Learning Technologies Project (NASA) | 学习技术项目（NASA） |
| LTP | Long Term Potential | 长期潜力 |
| LTP | Long Term Potentiation | 长期增强 |
| LTP | Linux Test Project | Linux测试项目 |
| LTP | Long Term Prediction | 长期预测 |
| LTP | Licklider Transmission Protocol | Licklider传输协议 |
| LTP | Learn to Play | 学会玩 |
| LTP | Local Transport Plan | 当地交通计划 |
| LTP | leukocyte thromboplastin | 白细胞凝血活酶 |
| LTP | Lockout/Tagout Permit | 锁定操作许可的情况下 |
| LTP | Language Teaching Publications | 语言教学出版物 |
| LTP | Leave Transfer Program | 休假转移计划 |
| LTP | Latest Takes Precedence | 最新优先 |
| LTP | Lunar Transient Phenomena | 月球瞬变现象 |
| LTP | Last Takes Priority | 最后一个优先 |
| LTP | Living Together Partner | 同居伴侣 |
| LTP | Landscape Technicians Program | 景观技术人员计划 |
| LTP | loss of total pressure | 总压力损失 |
| LTP | Lyndhurst, Queensland, Australia | 澳大利亚昆士兰州林德赫斯特 |
| LTP | laryngotracheoplasty | 喉气管成形术 |
| LTP | Long Term Processing | 长期处理 |
| LTP | laser trabeculoplasty | 激光小梁成形术 |
| LTP | laryngotracheal papilloma | 喉气管乳头状瘤 |
| LTP | Leader Training Program | 领导培训计划 |
| LTP | Logical To Physical | 逻辑到物理 |
| LTP | Long Term Predictor | 长期预测者 |
| LTP | Line Trunk Peripheral | 线路主干外围设备 |
| LTP | liquid transfer pump | 液体输送泵 |
| LTP | Link Termination Point | 链路终端点 |
| LTP | Less Than Perfect (TV show) | 不完美（电视节目） |
| LTP | Local Test Port | 本地测试端口 |
| LTP | Logical Thought Process | 逻辑思维过程 |
| LTP | Law of Total Probability | 总概率定律 |
| LTP | Local Tangent Plane Coordinate System | 局部切线平面坐标系 |
| LTP | Localization Test Plan | 国产化测试计划 |
| LTP | Lambda Theta Phi Latin Fraternity, Inc. | Lambda Theta Phi拉丁兄弟会。 |
| LTP | Likes to Party | 喜欢派对 |
| LTP | Long Term Play | 长期游戏 |
| LTP | Link Trunk Protocol | 链路中继协议 |
| LTP | Line Test Position | 线路测试位置 |
| LTP | Link Test Pulse (network/switch speed auto-negotiation) | 连接测试脉冲(网络、开关速度自动协商) |
| LTP | Leader/Leadership Training Plan/Program | 领导者/领导训练计划/项目 |
| LTP | Long Term Plan | 长期计划 |
| LTP | Line Throwing Projectile | 抛索弹 |
| LTP | Long Trace Profiler | 长跟踪探查器 |
| LTP | Linear Transportation Problem | 线性运输问题 |