The Ministry of Public Security[1] (Sinhala: මහජන ආරක්ෂක අමාත්‍යාංශය Mahajana Arakshaka Amathyanshaya; Tamil: பொதுமக்கள் பாதுகாப்பு அமைச்சு) 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 Lessons Learnt and Reconciliation Commission had recommended that policing be transferred to a separate ministry.

[5][6] The Ministry of Law and Order was established on 16 August 2013 to manage policing in the country.

[7][8][9] The Minister of Public Security is a member of the Cabinet of Sri Lanka.