The Western League of 1939–1941 was a low-level American circuit in Minor League Baseball. The Class D level league was born when the Nebraska State League changed its identity after the season. It is not related to the Class A level Western League of 1900–1937 and 1947–1958, a higher-level league that suspended operations during the latter years of the Great Depression through World War II.
The 1939–1941 Western League included teams based in Nebraska, South Dakota, Colorado, Iowa, Minnesota and Wyoming. After the United States entered the war, the league did not return for and was succeeded by its revived Class A namesake in . The Nebraska State League was revived as a Class D circuit from 1956 to 1959.