Irun Cohen (Hebrew: עירון כהן; born September 1, 1937, in Chicago, Illinois) is an immunologist at the Weizmann Institute of Science, Israel.
The bulk of Professor Cohen's work is in the search for treatment for autoimmune disease.
[citation needed] Throughout his career he has collaborated with scientists of all nationalities, including the Cuban immunologist Enrique Montero.
[citation needed] Cohen is currently the Israeli scientist with the second (first is Leo Sachs) largest number of publications in the journals of Science and Nature.
[citation needed] Cohen studied philosophy at Northwestern University obtaining a Bachelor of Arts in 1959.