The Offensive Weapons Act 2019 (c. 17) is an act of the Parliament of the United Kingdom. The act addresses crimes related to acid attacks (including the sale and possession in public places of corrosive substances); knife crime prevention orders; the sale of, delivery and possession of knives and other offensive weapons; and introduced further restrictions on firearms. It was introduced to Parliament as a government bill by Sajid Javid and Baroness Williams of Trafford of the Home Office.