Helena Kagan (Hebrew: הלנה כגן; September 25, 1889, Tashkent, Uzbekistan – August 22, 1978, Jerusalem) was a physician, an Israeli pioneer in pediatrics, active in Jerusalem. She was responsible for the expansion of health care in Israel. Working under the auspices of the Hadassah organization, she gave treatment to generations of local children regardless of their parents' religious affiliation.