Boris Gershevich Moishezon (Russian: Борис Гершевич Мойшезон) (October 26, 1937 – August 25, 1993) was a Soviet mathematician. He left the Soviet Union in 1972 for Tel Aviv, and in 1977 moved to Columbia University, where he was a professor of mathematics until his death sixteen years later. He was a Guggenheim Fellow in 1983.
A resident of Leonia, New Jersey, Moishezon died at Holy Name Hospital in Teaneck, New Jersey on August 25, 1993, due to a heart attack he suffered while jogging.