| PTCA | Parent Teacher Community Academy 
| Others |
| PTCA | Parent Teacher Community Association
| Others |
| PTCA | Parent Teacher Counselor Association
| Others |
| PTCA | Parents Teachers and Communities Association
| Others |
| PTCA | Parents Teachers and Community Associations
| Others |
| PTCA | Patterdale Terrier Club of America
| Others |
| PTCA | Percutaneous Transluminal Coronary Angiograph
| Others |
| PTCA | Percutaneous Transluminal Coronary Angiography
| Others |
| PTCA | Percutaneous transluminal coronary angioplasty
| Others |
| PTCA | Percutaneous, Transluminal Coronary Angioplasty.
| Others |
| PTCA | Perkutane Transluminale Coronare Angioplastie
| Others |
| PTCA | Plains Tribals Council of Assam
| Others |
| PTCA | Porcelain Tile Certification Agency
| Others |
| PTCA | Procard Travel Card Administration
| Others |
| PTCA | Professional Tennis Coaches Association
| Others |
| PTCA | Professional Training and Consulting Association
| Others |
| PTCA | Professional Tree Care Association
| Others |