| Term | Full Form | Category |
|---|---|---|
| PTHC | Palm Trademark Holding Company | Others |
| PTHC | Pan Thames Haemophilia Consortium | Others |
| PTHC | Peripheral Thyroid Hormone Conversion | Others |
| PTHC | Philadelphia Trans Health Conference | Others |
| PTHC | Pigmented Terminal Hair Cyst | Others |
| PTHC | Pre Teen Hard Core | Others |
| PTHC | Preferred Touch Home Care | Others |