Mia Matsumiya is an American violinist who is a former member of Kayo Dot, Gregor Samsa, and Tartar Lamb.

In 2015, her Instagram account chronicling the sexual and other harassment that had been directed toward her on social media during the past ten years received international attention.

[citation needed] Standing at 4'9" (145 cm), Matsumiya would often hide in band lockers in middle school and in newspaper racks in later years.

[6] In 2015, Matsumiya created the Instagram account called "Perv_magnet", where she uploaded sexually harassing and sometimes violently threatening messages that she had received from men over the past ten years.

[7][8][9][10] In a 2014 interview with Bearded Gentlemen Music, her former Kayo Dot band member Toby Driver alluded to stalkers that she faced.