| Cromwell | |
|---|---|
| Coordinates: 47°16′27″N122°37′20″W / 47.27417°N 122.62222°W | |
| Country | United States | 
| State | Washington | 
| County | Pierce | 
| Elevation | 66 ft (20 m) | 
| Time zone | UTC-8 (Pacific (PST)) | 
| • Summer (DST) | UTC-7 (PDT) | 
| GNIS feature ID | 1510900 [1] | 
Cromwell is an unincorporated community in Pierce County, in the U.S. state of Washington.
A post office called Cromwell was established in 1903, and remained in operation until 1931. [2] The community was named after J. B. Cromwell, a postal official. [3]