Marcin Krzyżanowski (born 11 January 1994) is a Polish chess Grandmaster (GM) (2020).

[1] He met norm for the title of International Master (IM) three times, at tournaments in Frýdek-Místek (2009, shared 1st place), Rybnik (2009, PREFROW CUP tournament, shared 1st place ) and Cappelle-la-Grande Open (2010).

In 2012, he won the gold medal in Pardubice in European Youth Team Chess Championship in U18 age group.

In 2014, he took first place in the Roman Bąk memorial in Chorzów and in the Open chess tournament in Pszczyna.

In 2015, he won the Open chess tournaments, played in Rybnik and Jastrzębia Góra.