| Act of Parliament | |
 | |
| Long title | An Act for the Regulation of the Care and Treatment of Lunatics. |
|---|---|
| Citation | 8 & 9 Vict. c. 100 |
| Dates | |
| Royal assent | 4 August 1845 |
| Other legislation | |
| Amended by | |
The Lunacy Act 1845 or the Lunatics Act 1845 (8 & 9 Vict. c. 100) and the County Asylums Act 1845 (8 & 9 Vict. c. 126) formed mental health law in England and Wales from 1845 to 1890. The Lunacy Act's most important provision was a change in the status of mentally ill people to patients.