Marysia is a given name. People associated with this name include:
Marysia Zalewski, British academic Marysia Nikitiuk (born 1986), Ukrainian film director Marysia Starosta (born 1981), Polish singer Marysia Placzek, British neuroscientist Marysia Kay (born 1975), Scottish actress, singer, and fight performer Marysia Sadowska (born 1976), Polish pop singer, music producer, screenwriter, and film director
See also Marysia i Napoleon, a 1966 Polish historical film