The Ministry of Defence of Armenia often abbreviated to the RA Ministry of Defence is an Armenian governmental agency in charge of overseeing the development of the Armed Forces of Armenia. The Ministry of Defense is also the executive body which implements the policies of the Armenian Government in the defense sector. It particularly oversees the budget of the armed forces and ensures the safety of troops. It is located on 5 Bagrevand Street, Yerevan. The ministry was officially established on 28 January 1992 by decree of the President of Armenia.

The Honour Guard Company of the Ministry of Defence of Armenia is a military unit of Armed Forces of Armenia that performs protocol tasks for high-ranking officials at the Presidential Palace and the Prime Minister's Residence. The unit is under direct command of the Ministry of Defence of Armenia. Most members of the unit are graduates of the Vazgen Sargsyan Military University.