| Term | Full Form | Category |
|---|---|---|
| PTAS | Parking Ticket Appeals Service | Others |
| PTAS | Patent and Trademark Assignment System | Others |
| PTAS | Payphone Telephone Access Service | Others |
| PTAS | Policy Training and Analysis Service | Others |
| PTAS | Polynomial Time Approximation Scheme | Others |
| PTAS | Polynomial-Time Approximation Scheme | Others |