The Northern Pacific Depot in Aitkin, Minnesota, United States, is a brick passenger depot built on the Northern Pacific Railway mainline in 1916. The rail line is now part of the BNSF Railway. The depot symbolizes the importance of the railroad in Aitkin's growth and development. The building is now occupied by the Aitkin County Historical Society as the Depot Museum. Exhibits focus on the heritage of Aitkin County, including riverboating on the upper Mississippi, Native American culture and immigrant pioneers.