The Oregon Iron Company Furnace is a historic structure in Lake Oswego, Oregon. It is located inside the George Rogers Park.

Built in 1865, the Oregon Iron Company Furnace was a part of the first company in the US to ever smelt iron in the areas west of the Rocky Mountains. Sadly, the company failed after just a couple of years, and what remained was salvaged by the Oswego Iron Company in 1878. That also failed, however, so the Oregon Iron and Steel Company was formed in 1884.

The large Oregon Iron Company Furnace now stands in a public park, as a historic landmark commemorating the industrial past of the area. It was listed on the National Register of Historic Places in 1974.