| Litigants: | City of Walla Walla v. Walla Walla Water Company |
| Arguedatea: | October 12 |
| Arguedateb: | 13 |
| Argueyear: | 1898 |
| Decidedate: | November 14 |
| Decideyear: | 1898 |
| Fullname: | City of Walla Walla, et al. v. Walla Walla Water Company |
| Usvol: | 172 |
| Uspage: | 1 |
| Parallelcitations: | 19 S. Ct. 77; 43 L. Ed. 341 |
| Majority: | Brown |
| Joinmajority: | unanimous |
City of Walla Walla v. Walla Walla Water Company, 172 U.S. 1 (1898), was a United States Supreme Court case in which the Walla Walla Water Company filed a bill to stop the City of Walla Walla from erecting waterworks, acquiring property to erect waterworks, or using city money to build waterworks.[1]