| William Vobach | |
| District: | 31st |
| Term Start: | November 3, 1982[1] |
| Term End: | November 7, 1990 |
| Predecessor: | Dan Burton[2] |
| Successor: | James W. Merritt[3] |
| State Senate: | Indiana |
| Birth Date: | 25 December 1929 |
| Birth Place: | Chicago, Illinois, U.S. |
| Death Date: | [4] |
| Death Place: | Centennial, Colorado, U.S. |
| Party: | Republican |
| Occupation: | lawyer |
| Spouse: | Isabella[5] |
| Children: | 3 |
| Residence: | Indianapolis, Indiana, U.S. |
| Alma Mater: | Oberlin College (BA) University of Michigan (JD) |
William Herman Vobach (December 25, 1929 – May 31, 2020) was an American politician from the state of Indiana. A Republican, he served in the Indiana State Senate from 1983 to 1990. He was a lawyer.[6]