| PTLA | Parent Teacher and Learner Association
| Others |
| PTLA | Parent Teacher Leadership Academy
| Others |
| PTLA | Percutaneous Transluminal Laser Angioplasties
| Others |
| PTLA | Pharyngeal Tracheal Lumen Airway
| Others |
| PTLA | Physical Therapist License Applicant
| Others |
| PTLA | Physical Therapist Licensed Applicant
| Others |
| PTLA | Piedmont Triad Leadership Academy
| Others |
| PTLA | Pine Tree Legal Assistance
| Others |
| PTLA | Pioneer Teaching and Learning Academy
| Others |
| PTLA | Power To Lead Alliance
| Others |
| PTLA | Principals Technology Leadership Assessment
| Others |
| PTLA | Protection Technology of Los Alamos
| Others |
| PTLA | Puerto Terrestre Los Andes
| Others |