Patani and Pyunik Yerevan Varazdat Haroyan was born in
Yerevan, and started football at the football school
Pyunik Yerevan. In 2008, he played for Patani, for whom he made 17 appearances. In 2009, he made his debut as a starter for Pyunik in the
Armenian Premier League match against
Gandzasar in Yerevan. Haroyan came off the bench in place of
Arthur Yedigaryan at 90 minutes. That season Pyunik became the
2009 Armenian Premier League champion. Starting in 2010, Haroyan had always been a team regular, and becoming the
2010 Armenian Premier League champion and the winning the
2010 Armenian Cup and 2010
Armenian Supercup. In March 2012, he became known to the interest of the German club
1. FC Köln, which sent an official invitation to Haroyan. Haroyan was earlier invited to attend the viewing, but in March 2012, decided to go to Germany.
Padideh On 6 June 2016, Haroyan signed a two–year contract with
Persian Gulf Pro League side
Tractor Sazi. However, just one day later the transfer was cancelled by Tractor Sazi management after Tractor Sazi's supporters protests due to historical conflicts between Armenian and Azerbaijani ethnic. Just hours after Haroyan's contract with Tractor Sazi were cancelled, he joined to another Iranian club,
Mashhad based
Padideh.
Ural Yekaterinburg On 5 July 2017, he signed a contract with the
Russian Premier League club
FC Ural Yekaterinburg. On 22 September 2020, his contract with Ural was terminated by mutual consent. Days after leaving Ural, Haroyan postponed a transfer to Greek club
AEL Larissa due to the
2020 Nagorno-Karabakh conflict. He later clarified that he was not enlisting to fight in the conflict.
Tambov On 6 October 2020, Haroyan joined
Russian Premier League club
Tambov.
Astana On 15 February 2021,
Astana announced the signing of Haroyan.
Cadiz On 27 May 2021,
Cádiz announced the signing of Haroyan from Astana, on a two-year contract, with Astana confirming his departure from their club on 24 June 2021. He made his
La Liga debut for
Cádiz, starting in a 1–1 draw against
Levante on 14 August 2021. Cádiz and Haroyan terminated their contract on 4 July 2022.
Anorthosis Famagusta On 12 July 2022, Haroyan signed with
Cypriot First Division club
Anorthosis Famagusta on a two-year contract until 2024. On 17 March 2023, Haroyan left Anorthosis Famagusta by mutual consent.
Astana Return On 21 March 2023, Haroyan returned to sign for
Astana. On 11 January 2024, Astana announced that Haroyan had left the club.
Qingdao West Coast On 4 February 2024, Haroyan joined
Chinese Super League club
Qingdao West Coast.
Kazincbarcika On 10 July 2025, Haroyan joined
Nemzeti Bajnokság I club
Kazincbarcikai SC. On 24 November 2025, Kazincbarcikai announced that Haroyan had left the club by mutual agreement. ==International career==