U.S. Post Office and Courthouse | |
 U.S. Post Office and Federal Building, July 2006 | |
   | |
| Location | 102 N. 4th St., Grand Forks, North Dakota |
|---|---|
| Coordinates | 47°55′32″N 97°1′57″W / 47.92556°N 97.03250°W |
| Area | less than one acre |
| Built | 1905 |
| Architect | Taylor, James Knox |
| Architectural style | Classical Revival |
| NRHP reference No. | 76001354[1] |
| Added to NRHP | June 3, 1976 |
The Ronald N. Davies Federal Building and U.S. Courthouse is a historic post office and federal office building located at Grand Forks in Grand Forks County, North Dakota, United States. It is a courthouse for the United States District Court for the District of North Dakota. Also and historically known as U.S. Post Office and Courthouse, the building is listed on the National Register of Historic Places under that name.