Márk Arion Mucsányi (born 16 November 2001) is a Hungarian professional footballer who plays as a midfielder for Nemzeti Bajnokság I club Újpest.
On 30 January 2021, Mucsányi played his first match for Újpest in a 3–2 lose against Mezőkövesd in the Nemzeti Bajnokság I.
[2] His European debut came on 5 August 2021, after Junior Tallo suffered a thigh injury in the 35th minute of the opening leg against Basel in the qualifying phase of the Europa Conference League.
[3][4] Mucsányi was loaned out to Nemzeti Bajnokság II club Szentlőrinc for the second half of the 2021–22 season.
[5] On 6 September 2023, Mucsányi joined newly promoted Nemzeti Bajnokság II side BVSC on a one-year loan.