Alexander Mikhaylovich Belostenny (Ukrainian: Олександр Михайлович Білостінний, romanized: Oleksandr Mykhailovych Bilostinnyi; Russian: Александр Михайлович Белостенный; February 24, 1959 – May 25, 2010) was a Ukrainian professional basketball player.

He was a member of the senior Soviet national team, from 1977 to 1992, except for an absence during a single competition, EuroBasket 1987.

Belostenny spent most of his club career at Budivelnyk from Kyiv, and was a leading player in its only Soviet Union League title in 1989.

Late in his career, he played with the German club HERZOGtel Trier, where he also competed in the FIBA Korać Cup.

In addition, he is one of the top medalists in FIBA World Cup history, having won four medals, one gold (1982) and three silvers (1978, 1986, and 1990).