| Abbreviation | Definition |
|---|---|
| APN | Advanced Practice Nursing |
| APN | Agrabah Palace Nursery |
| APNA | Adjustable Positional Nursing Aid |
| APNA | American Psychiatric Nurses Association |
| APNI | Advanced Practice Nursing Immersion |
| APNO | Advanced Practice Nurses of the Ozarks |
| APNP | Advanced Paediatric Nurse Practitioner |
| APNP | Advanced Practice Nurse Practitioner |
| APNP | Advanced Practice Nurse Prescriber |
| APNS | Association of Private Nursing Services |
| APRN | Advanced Practice Registered Nurse |
| APRN | Advanced Practice Registered Nurses |
| ARIN | Association of Radiologic and Imaging Nurses |
| ARN | Association of Rehabilitation Nurses |
| ARNA | Adaptive Robot Nursing Assistant |
| ARNA | American Radiological Nurses Association |
| ARNA | Australiasian Rehabilitation Nurses Association |
| ARNET | Alberta Registered Nurses Educational Trust |
| ARNP | Advance Registered Nurse Practitioner |
| ARNP | Advanced Registered Nurse Profession |