| MPTA | Mechanical Power Transmission Association | 机械传动协会 |
| MPTA | Member of the Piano Tuners Association (UK) | 英国钢琴调音师协会会员 |
| MPTA | Manpower, Personnel, & Training Analysis | 人力资源、人才、培养分析 |
| MPTA | Manpower, Personnel, and Training Assessment | 人力、人员和培训评估 |
| MPTA | Multi-Protocol Transport Architecture (IBM - SNA) | 多协议传输体系结构（IBM-SNA） |
| MPTA | Main Propulsion Test Article (NASA space shuttle) | 主要推进试验项目（NASA航天飞机） |