The Ministry of Public Security ( Mahajana Arakshaka Amathyanshaya; ) is a cabinet ministry of the Government of Sri Lanka responsible for law and order. The ministry is responsible for formulating and implementing national policy on law and order and other subjects which come under its purview. The ministry manages the country's police. The current Minister of Public Security is Ananda Wijepala. The ministry's secretary is Ravi Seneviratne.
Since independence in 1948 the Sri Lankan police had come under the Ministry of Defence. The Lessons Learnt and Reconciliation Commission had recommended that policing be transferred to a separate ministry. The Ministry of Law and Order was established on 16 August 2013 to manage policing in the country.
The Minister of Public Security is a member of the Cabinet of Sri Lanka.