Alexander Carl von Hoffman (born July 11, 1951, in United States) is an American urban planner and historian.
He is currently Lecturer in Urban Planning and Design at the Harvard University Graduate School of Design and Senior Research Fellow at Harvard's Joint Center for Housing Studies.
He then received a Master of Arts (1980) and a doctorate (1986) in History from Harvard University.
In 1990, von Hoffman was promoted to the level of associate professor, a post which he held until 1995.
In 1998, von Hoffman joined Harvard's Joint Center for Housing Studies as senior fellow.