| PCOL | Putnam County Operation Life | 普特南县运营寿命 |
| PCOL | Possession Claim Online (UK) | 在线占有索赔（英国） |
| PCOL | Procuring Contracting Officer Letter | 采购合同官员信函 |
| PCOL | Presbyterian Church of Lawrenceville (Lawrenceville, NJ) | 劳伦斯维尔长老会教堂（新泽西州劳伦斯维尔） |
| PCOL | Pan/Can Optimization Layer (PAN = Personal Area Network, CAN = Commmunity Area Network) | 潘/能优化层(锅网络,个人面积= = Commmunity局域网) |
| PCOL | Predominant Cause Of Loss (insurance) | 主要损失原因（保险） |
| PCOL | Pipe Club of London (UK) | 伦敦烟斗俱乐部（英国） |
| PCOL | Protocol Systems, Inc. | 协议系统公司。 |