| MTI | medium-term insurance | 中期保险 |
| MTI | Minimum time interval | 最低间隔时间 |
| MTI | Memory Technologies, Incorporated | 存储器技术公司 |
| MTI | Ministria Për Tregti Dhe Industri (Albanian: Ministry of Trade and Industry, Kosova) | Ministria Për Tregti Dhe Industri (Albanian: Ministry of Trade and Industry, Kosova) |
| MTI | Mediation Training Institute International | 国际调解培训学院 |
| MTI | Military Training Instructor | 军事训练教官 |
| MTI | Mother Tongue Influence | 母语影响 |
| MTI | Moving Target Indication (radar) | 移动目标指示（雷达） |
| MTI | Maryland Transportation Initiative (University of Maryland) | 马里兰运输倡议（马里兰大学） |
| MTI | Multiple Tone Interference | 多音干扰 |
| MTI | Maximum Tolerable Interference | 最大容许干扰 |
| MTI | Muppet Treasure Island (movie) | 布偶珍宝岛（电影） |
| MTI | Mechanical Technology Incorporated | 机械技术公司 |
| MTI | Ministry of Trade and Industry (Singapore) | 贸易和工业部（新加坡） |
| MTI | Multispectral Thermal Imager/Imaging | 多光谱热成像/成像 |
| MTI | Metal Treating Institute | 金属处理学会 |
| MTI | Master Trust Indenture | 主信托契约 |
| MTI | Manufacturing Technology, Inc. | 制造技术公司。 |
| MTI | Maintenance Test Interface | 维护测试界面 |
| MTI | Model Technology Incorporated | 模型技术公司 |
| MTI | Mosteiros, Cape Verde Islands | 佛得角群岛莫斯泰罗斯 |
| MTI | Mitutoyo Tools And Instruments | Mitutoyo工具和仪器 |
| MTI | Modular Transitional Implants | 模块化过渡植入物 |
| MTI | Moving Target Indicator (or Identification) | 移动目标指示器（或标识） |
| MTI | Medical Treatment Injury | 医疗伤害 |
| MTI | Mach Technologies Incorporated | 马赫技术公司 |
| MTI | Missed Trigger Interaction | 错过的触发交互 |
| MTI | Magnetic Tape Interface | 磁带接口 |
| MTI | Mid-Term Inspection | 中期检查 |
| MTI | Magyar TÁvirati Iroda (news agency in Budapest, Hungary) | Magyar TÁvirati Iroda (news agency in Budapest, Hungary) |
| MTI | Marion Technical Institute | 马里恩技术学院 |
| MTI | Minnesota Technology, Inc. | 明尼苏达州技术公司。 |
| MTI | Maintenance Team Inspection | 维护团队检查 |
| MTI | Micro Technologies, Inc. | Micro Technologies公司。 |
| MTI | Michael Thomas International | 迈克尔·托马斯国际 |
| MTI | Mechanical Test Instrumentation | 机械测试仪器 |
| MTI | Moving Target Identification (radar) | 运动目标识别（雷达） |
| MTI | Modular Transitional Implant | 模块化过渡植入物 |
| MTI | Moving Target Indicator (radar) | 移动目标指示器（雷达） |
| MTI | Ministry of Trade and Industry | 贸易和工业部 |
| MTI | malignant teratoma,intermediate | 恶性畸胎瘤，中等 |
| MTI | Moving Target Indicator | 移动目标指示器 |
| MTI | Magister Teknologi Informasi | 信息技术总监 |
| MTI | MIPS Technologies, Incorporated | MIPS技术公司 |