| PCQ | Packet Classification and Queuing | 数据包分类和排队 |
| PCQ | Pre-Course Questionnaire | 课程前问卷 |
| PCQ | Please Charleston Quietly (sign in dance halls in 1920s) | 请查尔斯顿安静（1920年代在舞厅签名） |
| PCQ | Pimco California Municipal Income Fund | Pimco加州市政收入基金 |
| PCQ | Position Classification Questionnaire | 职位分类问卷 |
| PCQ | Pre- Course Questionnaire | 课程前问卷 |
| PCQ | Pacificorp (delisted) | Pacificorp（退市） |