Born in
Badakhshan Province in
Afghanistan, His parents settled in
Handsworth suburb of Birmingham and his father worked as a pizza delivery driver, before returning to Afghanistan to work as an interpreter, leaving his mother to bring up the four children. At the age of eleven he was spotted by a
Coventry City scout after attending a Saturday football session with his cousin, and joined the club's youth system. He went on to sign a two-year scholarship with the club, progressing to sign his first professional deal in February 2016, on a one-year contract with the option of a further year. He scored his first goal for Walsall in an
EFL Trophy tie against
Grimsby Town on 30 August 2016. On 9 December 2016 he signed a new contract with
Walsall until the summer of 2019. In a November 2020 interview following his departure from the club, Kouhyar spoke out against abuse he had received during his time with the club in which he had been labelled a "terrorist" by a teammate.
Hereford In March 2021, Kouhyar signed for
National League North club
Hereford having been away from football for eighteen months with an ACL injury. Despite the early cancellation of the season, Kouhyar was part of the Hereford team that made it to the
2021 FA Trophy final, defeated 3–1 by league below
Hornchurch. This award came after reported interest from Football League scouts.
York City in 2022 On 22 March 2022, Kouhyar signed for
National League North club
York City on a free transfer. On 15 April, Kouhyar scored his first goal for York in a 1–0 National League North victory over Spennymoor Town. The season ended in success for Kouhyar and York as they secured promotion to the
National League through the play-offs, Kouhyar scoring the second goal in a 2–0 final victory over
Boston United. On 23 January 2024, Kouhyar joined former club Hereford on a one-month loan. In July 2024, Kouhyar joined National League North club
Kidderminster Harriers on a season-long loan. He was released by York at the end of the
2024–25 season.
Notts County On 16 June 2025, Kouhyar agreed to join League Two side
Notts County on an initial one-year deal with the option for a further year. ==International career==