| Acronym | Definition |
|---|
| SPTA➣Spectrin, Alpha |
| SPTA➣Salisbury Plain Training Area (UK) |
| SPTA➣Strathclyde Passenger Transport Authority (UK) |
| SPTA➣Spare Parts, Tools and Accessories |
| SPTA➣Southern Pressure Treaters Association (Gulf Shores, Alabama) |
| SPTA➣Silicon Prairie Technology Association |
| SPTA➣Saint Petersburg Telegraph Agency (PTA predecessor 1904-1914) |
| SPTA➣Southern Peninsula Tennis Association, Inc. (Australia) |