| William C. Rauschenberger | |
| Office: | 32nd Mayor of Milwaukee |
| Term Start: | 1896 |
| Term End: | 1898 |
| Predecessor: | John C. Koch |
| Successor: | David S. Rose |
| Birth Date: | 6 December 1855 |
| Birth Place: | Soldin, Prussia |
| Party: | Republican |
William C. Rauschenberger (December 6, 1855 - April 6, 1918) was a Republican politician who served as mayor of Milwaukee, Wisconsin.
Rauschenberger was born in Soldin, Prussia, to John and Amalie Rauschenberger in 1855; they moved to Wisconsin in 1860. William Rauschenberger held a number of offices in Milwaukee, including alderman, school commissioner, president of the school board, and president of the Common Council. He was elected mayor in 1896 and served a two-year term.[1]
As Common Council President, he dedicated the finished Milwaukee City Hall.[2]