Native American languages

Eskimo-Aleutian languages
- Yup'ik language
- Inuit languages
  - Inupiaq
  - Inuktitut
Salishan languages
Na-Dené languages
- Athapaskan-Eyak
  - Ahtna language: 80 speakers, (M. Krauss, 1995)
  - Beaver language
  - Chipewyan language
  - Eyak language: 1 speaker, (N. Barnes, 1996)
  - Northern Haida language: 15 fluent speakers, (M. Krauss, 1995)
  - Han language: 7 or 8 fluent speakers, (M. Krauss, 1995)
  - Holikachuk language: 12 fluent speakers, (M. Krauss, 1995)
  - Koyukon language: 300 speakers (M. Krauss, 1995)
  - Tanaina language: 75 or fewer speakers (M. Krauss, 1997)
  - Lower Tanana language: 30 or fewer speakers (M. Krauss, 1995)
  - Upper Tanana language: 105 or fewer speakers (M. Krauss, 1995)
  - Tolowa language: 5 speakers (SIL, 1977)
- Apachean languages
  - Jicarilla Apache language: 812 speakers, (1990 census)
  - Kiowa Apache language: 18 speakers, (1990 census)
  - Lipan Apache language: 2 or 3 speakers, (1981 R.W. Young)
  - Mescalero-Chiricahua Apache language: 1,800 speakers, incl. 279 Chiricahua speakers (1990 census)
  - Western Apache language: 12,693 speakers (1990 census)
  - Navajo language: 148,530 speakers, (1990 census)
- Athapaskan-Californian
  - Hupa language: 8 fluent speakers, (James Brook, 1998, NY Times, April 9, p A1, A20)
  - Kato (Mattole-Wailaki) language: 10 fluent speakers(?), (Chafe, 1962)
- Tlingit language: 700 speakers (M. Krauss, 1995)
Hokan languages
- Lowland Yuman language
- Cocopah language: 321 speakers (1990 census)
  - Maricopa language: 181 speakers (1990 census)
  - Mohave language: 234 speakers (1990 census)
  - Quiche language: 343 speakers (1990 census)
- Upland Yuman
  - Havasupai language: 404 speakers (1990 census)
  - Hualapai language: 440 speakers (1990 census)
  - Yavapai language: 163 speakers (1990 census)
Kiowa-Tanoan languages
- Jemez (Towa) language: 1,301 speakers (1990 census)
Eastern Keres language: total of 4,580 speakers (1990 census)
- Cochiti language: 384 speakers (1990 census)
- San Felipe language: 1,560 speakers (1990 census)
- Santa Ana language: 229 speakers (1990 census)
- Santo Domingo language: 1,880 speakers (1990 census)
- Zia language: 463 speakers (1990 census)
Western Keres language: total of 3,391 speakers (1990 census)
- Acoma language: 1,696 speakers (1980 census)
- Laguna language: 1,695 speakers (1990 census)
Tewa language: total of 1,298 speakers (1980 census)
- Nambe language: 50 speakers
- Pojoaque language: 25 speakers
- San Ildefonso language: 349 speakers
- San Juan language: 495 speakers
- Santa Clara language: 207 speakers
- Tesuque language: 172 speakers
Northern Tiwa language: 927 total speakers (1980 census)
- Picuris language: 101 speakers (1990 census)
- Taos language: 803 speakers (1980 census)
Southern Tiwa language: 1, 631 total speakers (1980 census)
- Isleta language: 588 speakers (1980 census)
- Sandia language: 43 speakers (1980 census)
Uto-Aztecan languages
- Shoshone language
- Paiute language
- Comanche language: 854 speakers (1990 census)
- Hopi language: 5,264 speakers (1990 census)
- O'odham (Pima-Papago) language: 11,819 speakers total (1990 census)
  - Akimel O'odham (Pima) language
  - Tohono O'odham (Papago) language
- Yaqui language: 406 US speakers, (1990 census)
- Nahuatl language
- Tarahumara language
Zuni language: 6,413 speakers (1980 census). Language isolate
Maya languages
- Yucatec Maya
- Chol
- Chorti
- Quiché
  - Cachiquel
  - Kekchi
  - Tzutuhil
  - Pocomam
  - Mam
- Huastec
Algonquian languages
- Cree language
- Ojibwe language
- Cheyenne language
- Mohican
- Blackfoot
- Montagnais-Naskapi
- Arapaho
Caddoan languages
- South Caddoan languages
  - Caddo language
- North Caddoan languages
  - Pawnee language
  - Arikara language
  - Wichita language
  - Kitsai language
Macro-Siouan
- Siouan
  - Sioux
  - Crow language
- Iroquoian
  - Mohawk
  - Huron-Wyandot
  - Oneida
  - Lenni-Lenape
Ge-Pano-Cariban languages
- Hixkaryana language
Chapacuran languages
- Wari' language
- Tora' language
- Oro Win language
Mura languages
- Pirahã language