Ashworth Hospital is a high-security psychiatric hospital in Maghull, 10 miles (16 km) northeast of Liverpool. It is a part of Mersey Care NHS Foundation Trust, catering to patients with psychiatric health needs that require treatment in conditions of high security.

Psychiatric hospitals, also known as mental health hospitals, or behavioral health hospitals are hospitals or wards specializing in the treatment of severe mental disorders, including schizophrenia, bipolar disorder, eating disorders, dissociative identity disorder, major depressive disorder, and others.