Michał Zygmunt Ruciak (born 22 August 1983) is a Polish former professional volleyball player.

He was a member of the Poland national team from 2004 to 2014, a participant in the Olympic Games London 2012, the 2009 European Champion and the 2012 World League winner.

He began to play with Maraton Świnoujście, later moving to Morze Szczecin, Skra Bełchatów and AZS Olsztyn.

After 7 seasons in ZAKSA Kędzierzyn-Koźle, he left this club in April 2015.

[3] The Order was conferred on the following day by the Prime Minister of Poland, Donald Tusk.