| Acronym | Definition |
|---|
| OTPC➣Ohio Table Pad Company (Lagrange, IN) |
| OTPC➣Oklahoma Turning Point Council (public health; Oklahoma) |
| OTPC➣Office of Tobacco Prevention and Control (Texas) |
| OTPC➣Oliver Tyrone Pulver Corporation (est. 1985; Pittsburgh, PA) |
| OTPC➣One Textbook per Child |
| OTPC➣ONGC (Oil and Natural Gas Corporation) Tripura Power Company (India) |