commandant

Commandant ( or ; ) is a title often given to the officer in charge of a military (or other uniformed service) training establishment or academy. This usage is common in English-speaking nations. In some countries it may be a military or police rank. It is also often used to refer to the commander of a military prison or prison camp (including concentration camps and prisoner of war camps).

== Bangladesh == In Bangladesh Armed Forces and Bangladesh Marine Academy commandant is not any rank. It is an appointment. The commandant serves as the head of any military or merchant navy training institutes or unit.