Mariusz Zaruski (18 January 1867 – 8 April 1941) was a brigadier-general in the Polish Army, a pioneer of Polish sports yachting, an outstanding climber of the winter and caves of Tatra Mountains. He was a photographer, painter, poet and writer, a seamen and traveler, a conspirator, legionnaire and lancer in Polish cavalry. During his active life, he was a devoted social activist, sportsman and teacher.