Siavash Haghnazari (; born 3 August 1995) is an Iranian professional footballer who plays as an attacking midfielder, most recently for Uzbekistan Super League club AGMK. Hagh Nazari became the first Iranian footballer in Uzbekistani football.
In summer 2015 he joined to Malavan training camp. He signed a two years contract with Malavan to spend his conscription period with them. He made his professional debut for Malavan with netting once on 20 November 2015 while he used as a substitute against Saipa.
Siavash made his debut in Ukraine on 25 September 2017 in a home game loss against Ahrobiznes Volochysk. On 9 November 2017 he became the player of the week.
On 23 February 2018 he signed contract with Ukrainian First League club Volyn Lutsk. Hagh Nazari was recognized as the best player of April in 2019 in the Ukrainian First League.
At the end of the 2023 season, after Almalik's contract with OKMK team ended, he signed a contract with Namangan's Navbahor club, which continues its participation in the 2023âÂÂ24 AFC Champions League.
On 28 July 2025, Hagh Nazari signed for Tajikistan Higher League club Istiklol, on a contract until the end of 2025. On 8 January 2026, Istiklol announced that Hagh Nazari had left the club after his contract wasn't renewed at the end of the previous season.
He played two matches at the 2010 Asian U16 Championships.
He was part of Iran U20 during 2014 AFC U-19 Championship.