For organizations that are recognized by the government of the United States as Native American tribes and tribal nations, see List of federally recognized tribes in the contiguous United States and List of Alaska Native tribal entities.
"An additional sub-designation under this classification are 'Federally Non-Recognized' tribes, which includes groups that have previously held federal recognition, either under governments prior to the U.S. Federal Government or as Nations that are no longer in existence and/or no longer meet the criteria as a Nation to have sovereignty status.
[16] This list also includes some groups from non-sovereign U.S. territories outside the contiguous United States, especially Puerto Rico and the Virgin Islands, that identify as having Caribbean Indigenous heritage and which also lack formal recognition.
South Carolina recognizes some Native American entities as groups or special interest organizations, but not as tribes.
[154] Unrecognized organizations include: As journalists Graham Lee Brewer (Cherokee Nation) and Tristan Ahtone (Kiowa) reported, Texas has "no legal mechanism to recognize tribes.