Marcin Flis (born 10 February 1994) is a Polish professional footballer who plays as a defender for I liga club Pogoń Siedlce.
[1] On 29 August 2022, after remaining a free agent since 30 June, he rejoined Stal on a one-year contract, with an extension option.
[2] On 3 July 2023, Flis joined another top flight side ŁKS Łódź on a two-year deal.
[4] On 10 January 2025, he signed with I liga club Pogoń Siedlce.
This biographical article related to a Polish association football defender is a stub.