Siamak Kouroshi (; born 27 December 1989) is an Iranian former footballer who played as a defender.
Kouroshi joined Naft Tehran in 2010, after spending the previous season with Sanati Kaveh in the Azadegan League.
On 22 November 2021, Kouroshi joined Bangladesh Premier League club Swadhinata KS
He made his debut against Mauritania on 18 April 2012 under Carlos Queiroz.