PIOC
| Acronym | Definition |
|---|---|
| PIOC | Parallel Input Output Control |
| PIOC | Price Index of Operating Costs (housing; New York) |
| PIOC | Petrie Island Outdoors Club (Ottawa, Ontario, Canada) |
| PIOC | Parallel Input/Output Controller |
| PIOC | Privilege Illegal Operations Channel (Alcatel) |