PCNA
| Acronym | Definition |
|---|---|
| PCNA | Proliferating Cell Nuclear Antigen |
| PCNA | Preventive Cardiovascular Nurses Association |
| PCNA | Pepsi Cola North America |
| PCNA | Project Capital Needs Assessment (cost estimate) |
| PCNA | Post Conflict Needs Assessment (United Nations) |
| PCNA | Panasonic Corporation of North America |
| PCNA | Pudelpointer Club of North America |
| PCNA | Porsche Cars of North America, Inc. |