| Abbreviation | Definition |
|---|---|
| AAAP | American Academy of Addiction Psychiatry |
| AAEP | American Association for Emergency Psychiatry |
| AAP | Association for Academic Psychiatry |
| AAPL | American Academy of Psychiatry and the Law |
| AAPP | Association for the Advancement of Philosophy and Psychiatry |
| AASP | American Association for Social Psychiatry |
| ACFP | A Child and Family Psychiatry |
| ACLP | Academy of Consultation Liaison Psychiatry |
| ACPU | Academic Child Psychiatry Unit |
| AEP | Association of Education Psychologists |
| AFPMH | ASEAN Federation Of Psychiatry And Mental Health |
| AFPN | Ambulante Forensische Psychiatrie Noord |
| AOC | An Occasional Cortex |
| AOPC | Adult Outpatient Psychiatric Clinic |
| APA | American Psychiatric Association |
| APF | American Psychiatric Foundation |
| APH | acute psychiatric hospital |
| APPI | American Psychiatric Press Inc |
| APRIL | Adverse Psychiatric Reactions Information Link |
| APSS | Adult Psychiatric Support Services |