| J. A. Johnson Blacksmith Shop | |
| Coordinates: | 46.4751°N -96.2831°W |
| Location: | Main Avenue West & 2nd Street West, Rothsay, Minnesota |
| Area: | Less than one acre |
| Built: | 1903 |
| Refnum: | 96000174 |
| Designated Nrhp Type: | February 23, 1996 |
The J. A. Johnson Blacksmith Shop is a historic commercial building in Rothsay, Minnesota, United States. It is one of Minnesota's most intact early-20th-century blacksmith shops, and still contains a large portion of its original, handforged equipment.[1] The shop was listed on the National Register of Historic Places in 1996 for its local significance in the theme of commerce.[2] It was nominated for being a rare intact example of the style of blacksmith shop once common to small Midwestern farming communities in the first half of the 20th century.