Michał Grażyński (May 12, 1890, in Gdów – December 10, 1965, in London, United Kingdom) was a Polish military leader, social and political activist, doctor of philosophy and law, voivode of the Silesian Voivodeship, Scouting activist and president of Związek Harcerstwa Polskiego.
The Gray Ranks (Szare Szeregi), the underground Polish Scouting Association (Związek Harcerstwa Polskiego) during World War II.