OTCD
| Acronym | Definition |
|---|---|
| OTCD | Ornithine Transcarbamylase Deficiency |
| OTCD | On the Capitol Doorstep (est. 1971; childcare legislative resource; California) |
| OTCD | Over-the-Counter Derivative (financial contract) |
| OTCD | Officer in Tactical Command (NATO officer) |
| OTCD | Occult Tumor Cell Deposits |