Mihran Krikor Kassabian (August 25, 1870 – July 14, 1910) was an Armenian-American radiologist and one of the early investigators into the medical uses of X-rays.
His contributions to radiology included the introduction of a positioning device that accurately displayed the round nature of the ribs on an X-ray image.
He served as vice president of the American Roentgen Ray Society (ARRS).
He died of skin cancer related to his repeated exposure to high doses of radiation.