List of Great Northern Railway (U.S.) locomotives

This is a list of United States Great Northern Railway locomotives.

Steam locomotive classes
Below is a table of information for the Great Northern Railway's steam roster with a symbol, Whyte notation, common name and notes. Included is a breakdown of the Great Northern classes, along with the date of their first construction (when known), builder, and road numbers.

Mallet and Simple Articulated Locomotives
The 4-6-6-4 locomotives (Nos. 903 and 904) were purchased from the Spokane, Portland and Seattle Railway and sold back between 1946 and 1950.