American Psychiatric Association
- Country: United States
- Type: Organization
- Website: psychiatry.org
- Update: 05-02
The American Psychiatric Association (APA) is a professional organization of psychiatrists in the U.S. Founded in 1844 and headquartered in Arlington County, Virginia, the APA publishes the Diagnostic and Statistical Manual of Mental Disorders (DSM), which is an important criterion for the diagnosis of mental illness.