| PLCO | Pacific Liaison and Coordination Office 
| Others |
| PLCO | Prayerful Loving Concern for Others
| Others |
| PLCO | Prostate Lung Colon and Ovary
| Others |
| PLCO | Prostate Lung Colon Ovary
| Others |
| PLCO | Prostate Lung Colorectal and Ovarian
| Others |
| PLCO | Prostate Lung Colorectal and Ovarian Cancer Screening Trial
| Others |
| PLCO | Prostate, Lung, Colorectal and Ovarfian [screening trial]
| Others |
| PLCO | Prostate, Lung, Colorectal and Ovarian
| Others |
| PLCO | Prostate, Lung, Colorectal, and Ovarian (Cancer Screening Trial)
| Others |
| PLCO | Prostate, Lung, Colorectal, and Ovarian (cancer screening)
| Others |
| PLCO | Prostate, Lung, Colorectal, and Ovarian (screening trial)
| Others |
| PLCO | Prostate, Lung, Colorectal, Ovarian
| Others |
| PLCO | Provincial Local Courts Officer
| Others |