William Caswell (disambiguation)
# William Caswell (disambiguation)

William E. Caswell was an American physicist.

William Caswell may also refer to:

* William Caswell (politician), 18th-century American politician
* Bill Caswell, musician
* William Caswell, owner of Daniel H. and William T. Caswell Houses, Texas
* William Caswell, owner of Caswell House (Troy, Michigan)
