NBC 21

NBC 21 may refer to one of the following television stations in the United States:


 * KNBN in Rapid City, South Dakota
 * KNPG-LD in St. Joseph, Missouri
 * KQTV/KVFD-TV in Fort Dodge, Iowa (formerly with NBC from 1953 to 1977; now defunct)
 * KTVZ in Bend, Oregon
 * WFMJ-TV in Youngstown, Ohio
 * WPTA-DT2, a digital channel of WPTA in Fort Wayne, Indiana