| John William Showalter | |
| Office: | Judge of the United States Court of Appeals for the Seventh Circuit |
| Term Start: | March 1, 1895 |
| Term End: | December 10, 1898 |
| Appointer: | Grover Cleveland |
| Predecessor: | Seat established by 28 Stat. 643 |
| Successor: | Peter S. Grosscup |
| Office1: | Judge of the United States Circuit Courts for the Seventh Circuit |
| Term Start1: | March 1, 1895 |
| Term End1: | December 10, 1898 |
| Appointer1: | Grover Cleveland |
| Predecessor1: | Seat established by 28 Stat. 643 |
| Successor1: | Peter S. Grosscup |
| Birth Name: | John William Showalter |
| Birth Date: | 8 February 1844 |
| Birth Place: | Mason County, Kentucky |
| Death Place: | Chicago, Illinois |
| Education: | Yale University read law |
| Signature: | Signature of John William Showalter (1844–1898).png |
John William Showalter (February 8, 1844 – December 10, 1898) was a United States circuit judge of the United States Court of Appeals for the Seventh Circuit and of the United States Circuit Courts for the Seventh Circuit.
John William Showalter was born in Mason County, Kentucky on February 8, 1844.[1] He graduated from Yale University in 1867 and read law to enter the bar in 1871. He was in private practice in Chicago, Illinois from 1870 to 1895.
Showalter was nominated by President Grover Cleveland on February 25, 1895, to the United States Court of Appeals for the Seventh Circuit and the United States Circuit Courts for the Seventh Circuit, to a new joint seat authorized by 28 Stat. 643. He was confirmed by the United States Senate on March 1, 1895, and received his commission the same day. His service terminated on December 10, 1898, due to his death in Chicago.[2]