| Honorific-Prefix: | H.E. |
| Armen Martirosyan | |
| Office: | Ambassador of Armenia to India |
| President: | Serzh Sargsyan |
| Office1: | Ambassador of Armenia to Germany |
| Term Start1: | 2009 |
| Term End1: | 2013 |
| Predecessor1: | Karine Kazinian |
| Office2: | Permanent Representative of Armenia to the United Nations |
| Term Start2: | June 12, 2003 |
| Term End2: | 2009 |
| Predecessor2: | Movses Abelian |
| Successor2: | ? |
| Birth Date: | 10 February 1961 |
| Birth Place: | Yerevan |
| Profession: | Politician and Diplomat |
Armen Martirosyan (sometimes spelt Martirosian, Martirossyan or Martirossian; Armenian: Արմեն Մարտիրոսյան) 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.
Martirossian announced recently that he would be holding a series of talks around Europe detailing his career so far. These are set to begin on May 6.