The Ministry of Defense (MD; , ) is the government department of Timor-Leste accountable for the defence of the country and related matters.
The Ministry is responsible for the design, implementation, coordination and evaluation of policy for the areas of national defense and military cooperation.
The incumbent Minister of Defense is .
The Ministry's headquarters are on , , Dili. Designed, built and furnished by the government of China with almost no involvement by Timorese workers or suppliers, they were constructed between 2010 and 2012, at a cost of .