List of preserved locomotives in the United States

This is a list of preserved locomotives in the United States, organized by state then city or town of their last-known locations. It is intended to list all locomotives that are listed on the National Register of Historic Places or other heritage registers, or that are preserved and displayed or stored or operated at museums or heritage railways. This includes locomotives on cog railways, but is not intended to cover self-propelled railcars or multiple units or locomotives of miniature railroads.

Preserved locomotives
The permanent or usual locations are identified by coordinates where possible; these locations may be seen together by clicking on "Map all coordinates using: OpenStreetMap" at the right side of this page.

Others at museums and heritage railways
There are many preserved locomotives in the United States which are not individually listed above. Numerous ones are preserved at railway museums and heritage railways, These include:

California

 * A number at Niles Canyon Railway

Colorado

 * A number at Colorado Railroad Museum
 * A number at Cripple Creek and Victor Narrow Gauge Railroad
 * A number at Cumbres and Toltec Scenic Railroad
 * None at Durango and Silverton Narrow Gauge Railroad beyond those listed above
 * A number at Fort Collins Municipal Railway
 * A number at Georgetown Loop Railroad
 * A number at Pikes Peak Cog Railway
 * A number at Rio Grande Scenic Railroad
 * A number at Royal Gorge Route Railroad

Pennsylvania

 * 12 at East Broad Top Railroad, a narrow gauge railway headquartered in Rockhill Furnace, Pennsylvania, which has six preserved Mikado locomotives, all built by Baldwin Locomotive Works, and six others. The railroad operated from 1871 to 1956.  It operated as a heritage railroad from 1960 until 2011, and was reopened in 2021 as a tourist attraction.  These locomotives include:
 * East Broad Top #12 (1911), its oldest, the railroad's first Mikado-class locomotive, and
 * East Broad Top #18 (1923), its newest, a model BLW 12-34$1⁄4$-E, which used Southern valve gear and had boilers equipped with superheaters.

Washington

 * More than 3 steam locomotives (vs just one listed above) and multiple diesels at Mt. Rainier Scenic Railway and its related museum.