PTPC
| Acronym | Definition |
|---|---|
| PTPC | Permeability Transition Pore Complex (biochemistry) |
| PTPC | Port Townsend Paper Corporation (Port Townsend, WA) |
| PTPC | Professional Teaching Practices Commission (Anchorage, AK) |
| PTPC | Principal Teacher of Pastoral Care |
| PTPC | Port Townsend Photo Club (est. 1994; Port Townsend, WA) |
| PTPC | Pentair Technical Products China |