| PTTS | Plasma Technology Training School (UK) | 等离子技术培训学校（英国） |
| PTTS | Pilot Transition Training Squadron | 飞行员过渡训练中队 |
| PTTS | Professional Tarpon Tournament Series | 职业Tarpon锦标赛系列赛 |
| PTTS | Permission-To-Train Switch | 列车道岔许可 |
| PTTS | Parking Traffic and Transportation Service (Texas A&M University) | 停车场交通和运输服务(得克萨斯农工大学校园) |