The Lake Superior Railroad Museum (reporting mark LSRX) is a railroad museum in Duluth, Minnesota.
The museum has seven steam, fourteen diesel and two electric locomotives, and over 40 other pieces of rolling stock. The collection includes the William Crooks, which became the first locomotive to operate in the state of Minnesota in 1861, and the Duluth, Missabe and Iron Range Railway Number 227, a 2-8-8-4 "Yellowstone" locomotive which was among the largest steam engines to ever operate.
The museum operates a heritage railroad called the North Shore Scenic Railroad.
The building in which the museum is housed is former Duluth Union Depot – now the St. Louis County Heritage and Arts Center's Historic Union Depot; the building is listed on the National Register of Historic Places. The depot also houses the Duluth Arts Institute, Duluth Playhouse, the Duluth-Superior Symphony Orchestra, and the St. Louis County Historical Society.