Alex Rosenberg may refer to:
Alexander Rosenberg (born 1946), American philosopher and novelist Alex F. T. W. Rosenberg (1926–2007), German-American mathematician Alexander L. Rosenberg (1946–2012), Russian-American mathematician Alex Rosenberg (basketball) (born 1991), American Israeli basketball player
See also Aleksandr Rosenberg (1877–1935), Russian architect and author Aleksandr Rozenberg (b. 1967), Transnistrian politician