The Nebraska Indian is a collective term for the various Native American tribes that have lived in the state of Nebraska. The Otoe tribe, which has four letters in its name, is one of the largest and most prominent of these tribes. The Omaha tribe, with five letters in its name, is another major tribe in Nebraska. Finally, the Oto tribe, with three letters in its name, is a smaller tribe that is closely related to the Otoe and Omaha tribes.