| St. John's Block Commercial Exchange | |
| Location: | 2 N. 3rd St., Grand Forks, North Dakota |
| Coordinates: | 47.9256°N -97.0303°W |
| Built: | 1890-1891 |
| Architecture: | Romanesque |
| Added: | October 26, 1982 |
| Area: | less than |
| Mpsub: | Downtown Grand Forks MRA |
| Refnum: | 82001338 |
St. John's Block Commercial Exchange is a Richardsonian Romanesque building in Grand Forks, North Dakota, United States. It is a five-story brick and ashlar building, built during 1890–1891. It is smaller than one acre. It was listed on the National Register of Historic Places (NRHP) in 1982.[1]
It was included in a 1981 study of Downtown Grand Forks historical resources that led to a large number of NRHP listings.[2]