Sos Hayrapetyan (also Airapetian, Armenian: Սոս Հայրապէտյան, born 12 September 1959) is a retired field hockey defender from Armenia.

All team members were awarded the title of Honored Master of Sports for their victory.

Hayrapetyan later competed in the 1988 and 1992 Summer Olympics and finished seventh and tenth, respectively.

[4] In 1992, Hayrapetyan moved to the German city of Hamburg, and from 1992 to 2004 played for Uhlenhorster HC.

In 2004, after winning silver medals at the club championship in Germany, he retired and became a field hockey coach.