Ruslan Damirovich Valiullin (; ; born 9 September 1994) is a Kazakhstani footballer who plays as a midfielder for Kyzylzhar and the Kazakhstan national team.
On 23 August 2023, Tobol announced the return of Valiullin to their squad until the end of the 2023 season following a ban for doping.
Valiullin made his international debut for Kazakhstan on 28 March 2021 in a 2022 FIFA World Cup qualification match against France.
Following scoring two goals in Kazakhstan's 2-2 draw at home to Ukraine in the 2022 FIFA World Cup qualifier on 1 September 2021, Valiullin was informed that he had failed a drugs test after his club, Tobol, played against Mà  K à ½ilina in the UEFA Europa Conference League on 12 August 2021.