| PETC | People for the Ethical Treatment of Chetwin | 对Chetwin进行道德治疗的人 |
| PETC | Pennsylvania Educational Technology Corporation | 宾夕法尼亚州教育技术公司 |
| PETC | Public Employers' Training Consortium | 公众的雇主训练财团 |
| PETC | Animal in cabin (IATA codes) | 舱内动物（IATA代码） |
| PETC | Pittsburgh Energy Technology Center (Department of Energy) | 匹兹堡能源技术中心（能源部） |
| PETC | Petco Animal Supplies | Petco动物用品 |