Allahyar Sayyadmanesh (Persian: اللهیار صیادمنش; born 29 June 2001) is an Iranian professional footballer who plays as a forward and winger for Belgian Pro League club Westerlo and the Iran national team.

On 6 October 2020, Sayyadmanesh was loaned to Ukrainian club Zorya Luhansk on a year-and-a-half long deal, with an option to buy him for €3.5 million.

[18] On 9 July 2022, Sayyadmanesh signed permanently for the English club Hull City from Turkish side Fenerbahçe with transfer fee €4.5 million.

[20] On 31 January 2024, Sayyadmanesh signed for Belgian Pro League club Westerlo on a two-and-a-half-year deal for an undisclosed fee.

[22] The goal broke Saeid Ezatolahi's record of the youngest goalscorer in Iran national team's history by almost two years.