| Armenak Petrosyan | |
| Fullname: | Armenak Petrosyan |
| Birth Date: | 1973 11, df=yes |
| Birth Place: | Yerevan, Soviet Union |
| Height: | 1.8m (05.9feet) |
| Position: | Goalkeeper |
| Years1: | 1993 - 1996 |
| Years2: | 1996 - 2003 |
| Years3: | 2003 - 2005 |
| Years4: | 2005 - 2007 |
| Years5: | 2007 - 2008 |
| Clubs1: | Ararat Yerevan |
| Clubs2: | Sepahan |
| Clubs3: | Zob Ahan |
| Clubs4: | Sepahan |
| Clubs5: | Shahrdari Bandar Abbas |
| Caps1: | 89 |
| Caps2: | 113 |
| Caps3: | 72 |
| Caps4: | 42 |
| Caps5: | 26 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 0 |
| Goals5: | 0 |
| Nationalyears1: | 1994 - 1996 |
| Nationalteam1: | Armenia |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 0 |
| Pcupdate: | 16 February 2007 |
| Ntupdate: | 12 May 2007 |
Armenak Petrosyan (Armenian: Արմենակ Պետրոսյան, born on 13 November 1973 in Yerevan, Soviet Union) is a retired Armenian football goalkeeper. He is a former goalkeeper and captain of the Iranian Premier League side Sepahan Esfahan. He was also a former goalkeeper of the Armenia national team.
Armenak was the goalkeeper of Ararat Yerevan as a youngster, but soon moved to Iran, where he spent most of his career at Sepahan Esfahan. He also played for another Esfahani club, Zob Ahan for two seasons. In 2007, he joined Azadegan League club, Shahrdari Bandar Abbas.
Armenak has made 7 appearances for Armenia since his debut in 1994 against the United States. The match against the USA was Armenia's second match after its independence, therefore Armenak is one of the first goalkeepers to play for Armenia as an independent country.