Armen Martirosyan (sometimes spelt Martirosian, Martirossyan or Martirossian; ) held the post of Armenia's Deputy Foreign Minister. He was also a two-term member of the National Assembly of Armenia.
Martirossian presented his credentials as Permanent Representative (or ambassador) to the United Nations for Armenia to the Secretary-General of the United Nations on 12 June 2003, replacing the former ambassador, Movses Abelian.