Marija Hladnik Berden, also known as Mimi Hladnik, was a Slovenian teacher, organist, and composer. She was regarded as one of the most musically gifted women of her generation in Lower Carniola, where she worked as a teacher, church organist, soprano, and pianist. She composed mainly church music, appeared as a soloist, and in addition to her regular employment also taught piano. Her life ended tragically when she was poisoned at the age of thirty-two.