Norair Martirosovich Sisakian (Sissakian) (Armenian: ?????? ????????? ????????; Russian: ?????? ???????????? ???????, 12 January 1907 – 12 March 1966) was a Soviet Armenian biochemist, academic, one of the founders of space biology, an outstanding organizer of science, a member of the Pugwash movement.
He was a Member of the Presidium of the Academy of Sciences of the USSR, a member of the Armenian Academy of Sciences, the Vice-President of the International Academy of Astronautics, the Chairman of the Committee on Bioastronautics of the International Astronautics Federation.
State Prize of the USSR in 1952.
In 1964 he was unanimously elected as a President of the 21st session of the UNESCO General Conference.