The Bangladesh Navy is the naval warfare branch of the Bangladesh Armed Forces, responsible for the defence of Bangladesh's 118,813 square kilometres (45,874 sq mi) of maritime territorial area, and the security of sea ports and exclusive economic zones of Bangladesh. Bangladesh Navy protects the country's economic and military interests at home and abroad. The Bangladesh navy is also a front line disaster management force in Bangladesh, and participates in humanitarian missions abroad. It is a key regional player in counter terrorism efforts, and engages in global peacekeeping with the United Nations.

The Bangladesh Armed Forces are the military forces of the People's Republic of Bangladesh. They consist of the three uniformed military services: the Bangladesh Army, the Bangladesh Navy and the Bangladesh Air Force. The Armed Forces are under the jurisdiction of Ministry of Defence of the Government of Bangladesh, and are directly administered by the Armed Forces Division of the Prime Minister's Office. The President of Bangladesh serves as the Commander-in-Chief of the Bangladesh Armed Forces. Bangladesh has the third-largest defence budget in South Asia and according to the Global Firepower index, The Bangladeshi military is the 37th strongest in the world and the third most powerful military force in South Asia. Border Guard Bangladesh and Bangladesh Coast Guard are under the jurisdiction of the Ministry of Home Affairs during peacetime, but during wartime they fall under the command of Bangladesh Army and Bangladesh Navy respectively.