1.9 Southeastern Woodlands

- Acolapissa (Colapissa), Louisiana and Mississippi
o Ais, eastern coastal Florida

- Alabama, Creek Confederacy, Alabama, southwestern Tennessee, northwestern Mississippi
- Alafay (Alafia, Pojoy, Pohoy, Costas Alafeyes, Alafaya Costas), Florida
- Amacano, Florida west coast
- Apalachee, northwestern Florida
- Apalachicola, Creek Confederacy, Alabama, Florida, Georgia and South Carolina

- Atakapa (Attacapa), Louisiana west coast and Texas southwestern coast
o Akokisa, Texas southeast coast
o Bidai, Texas southeast coast
o Deadose, eastern Texas
o Eastern Atakapa, western coastal Louisiana
o Orcoquiza, southeast Texas
o Patiri, eastern Texas
o Tlacopsel, southeast Texas

- Avoyel ("little Natchez"), Louisiana
o Backhooks Nation (possibly Chuaque, Holpaos, Huaq, Nuaq, Pahoc, Pahor, Paor, Uca),[30] South Carolina
o Bayogoula, southeastern Louisiana
o Biloxi, Mississippi
o Boca Ratones, Florida

- Caddo Confederacy, Arkansas, Louisiana, Oklahoma, Texas
o Adai (Adaizan, Adaizi, Adaise, Adahi, Adaes, Adees, Atayos), Louisiana and Texas
o Cahinnio, southern Arkansas
o Doustioni, north central Louisiana
o Eyeish (Hais), eastern Texas
o Hainai, eastern Texas
o Hasinai, eastern Texas
o Kadohadacho, northeastern Texas, southwestern Arkansas, northwestern Louisiana
o Nabedache, eastern Texas
o Nabiti, eastern Texas
o Nacogdoche, eastern Texas
o Nacono, eastern Texas
o Nadaco, eastern Texas
o Nanatsoho, northeastern Texas
o Nasoni, eastern Texas
o Natchitoches, Lower: central Louisiana, Upper: northeastern Texas
o Neche, eastern Texas
o Nechaui, eastern Texas
o Ouachita, northern Louisiana
o Tula, western Arkansas
o Yatasi, northwestern Louisiana

- Calusa, southwestern Florida
- Cape Fear Indians, North Carolina southern coast
- Catawba (Esaw, Usheree, Ushery, Yssa), North Carolina, South Carolina
- Chacato, Florida panhandle and southern Alabama
- Chakchiuma, Alabama and Mississippi
- Chatot people (Chacato, Chactoo), west Florida
- Chawasha (Washa), Louisiana
- Cheraw (Chara, Charàh), North Carolina
- Cherokee, Georgia, North Carolina, western tip of South Carolina, Tennessee, Alabama, later Arkansas, Texas, Mexico, and Oklahoma
- Chiaha, Creek Confederacy, Alabama
- Chickanee (Chiquini), North Carolina
- Chickasaw, Alabama and Mississippi, later Oklahoma
- Chicora, coastal South Carolina
- Chine, Florida
- Chisca (Cisca), southwestern Virginia, northern Florida
- Chitimacha, Louisiana
- Choctaw, Mississippi, Alabama, and parts of Louisiana; later Oklahoma
- Chowanoc (Chowanoke), North Carolina
- Coharie, North Carolian
- Congaree (Canggaree), South Carolina
- Coree, North Carolina
- Coushatta, Louisiana and Texas
- Coharie, North Carolina
- Croatan, North Carolina
- Cusabo coastal South Carolina
- Eno, North Carolina
- Garza, Texas, northern Mexico
- Grigra (Gris), Mississippi
- Guacata (Santalûces), eastern coastal Florida
- Guacozo, Florida
- Guale (Cusabo, Iguaja, Ybaja), coastal Georgia
- Guazoco, southwestern Florida coast
- Hitchiti, Creek Confederacy, Georgia, Alabama, and Florida
- Hooks Nation (possibly Chuaque, Huaq, Nuaq), see Backhooks Nation
- Houma, Louisiana and Mississippi
- Jaega (Jobe), eastern coastal Florida
- Jaupin (Weapemoc), North Carolina
- Jororo, Florida interior
- Keyauwee, North Carolina
- Koasati, Tennessee
- Koroa, Mississippi
- Luca, southwestern Florida coast
- Lumbee, North Carolina
- Machapunga, North Carolina
- Manahoac, Virginia
- Matecumbe (Matacumbêses, Matacumbe, Matacombe), Florida Keys
- Mayaca, Florida
- Mayaimi (Mayami), interior Florida
- Mayajuaca, Florida
- Meherrin, Virginia, North Carolina
- Mikasuki (Miccosukee), Florida
- Mobila (Mobile, Movila), northwestern Florida and southern Alabama
- Mocoso, western Florida
- Monacan, Virginia
- Monyton (Monetons, Monekot, Moheton) (Siouan), West Virginia and Virginia
- Mougoulacha, Mississippi

- Muscogee (Creek), Tennessee, Georgia, Alabama, Mississippi, Florida, later Oklahoma
o Abihka, Alabama, later Oklahoma
o Eufaula tribe, Georgia, later Oklahoma
o Kialegee Tribal Town, Alabama, later Oklahoma
o Thlopthlocco Tribal Town, Alabama, Georgia, later Oklahoma

- Naniaba, northwestern Florida and southern Alabama
- Natchez, Louisiana and Mississippi later Oklahoma
- Neusiok (Newasiwac, Neuse River Indians), North Carolina
- Norwood culture, Apalachee region, Florida, ca. 12,000 BC-4500 BC
- Nottaway, Virginia, North Carolina
- Occaneechi (Siouan), Virginia
- Oconee, Georgia, Florida
- Ofo, Arkansas and Mississippi, eastern Tennessee
- Okchai (Ogchay), central Alabama
- Okelousa, Louisiana
- Opelousas, Louisiana
- Osochee (Oswichee, Usachi, Oosécha), Creek Confederacy, Alabama
- Pacara, Florida
- Pakana (Pacâni, Pagna, Pasquenan, Pak-ká-na, Pacanas), central Alabama, later Texas
- Pamlico, formerly North Carolina
- Pascagoula, Mississippi coast
- Patiri, southeastern Texas
- Pee Dee (Pedee), South Carolina and North Carolina
- Pensacola, Florida panhandle and southern Alabama
- Potoskeet, North Carolina

- Powhatan Confederacy, Virginia
o Appomattoc, Virginia
o Arrohateck, Virginia
o Chesapeake, Virginia
o Chesepian, Virginia
o Chickahominy, Virginia
o Kiskiack, Virginia
o Mattaponi, Virginia
o Nansemond, Virginia
o Paspahegh, Virginia
o Powhatan, Virginia
o Pamunkey, Virginia

- Quinipissa, southeastern Louisiana and Mississippi
- Rappahannock Tribe, Virginia
- Roanoke, North Carolina
- Saluda (Saludee, Saruti), South Carolina
- Santee (Seretee, Sarati, Sati, Sattees), South Carolina (no relation to Santee Sioux), South Carolina
- Santa Luces, Florida
- Saponi, North Carolina, Virginia
- Saura, North Carolina
- Sawokli (Sawakola, Sabacola, Sabacôla, Savacola), southern Alabama and Florida panhandle
- Saxapahaw (Sissipahua, Shacioes), North Carolina
- Secotan, North Carolina
- Seminole, Florida and Oklahoma
- Sewee (Suye, Joye, Xoye, Soya), South Carolina coast
- Shakori, North Carolina
- Shoccoree (Haw), North Carolina, possibly Virginia
- Sissipahaw, North Carolina
- Stegarake, Virginia
- Stuckanox (Stukanox), Virginia
- Sugeree (Sagarees, Sugaws, Sugar, Succa), North Carolina and South Carolina
- Surruque, east central Florida
- Suteree (Sitteree, Sutarees, Sataree), North Carolina
- Taensa, Mississippi
- Talapoosa, Creek Confederacy, Alabama
- Tawasa, Alabama
- Tequesta, southeastern coastal Florida

- Terocodame, Texas and Mexico
o Codam
o Hieroquodame
o Oodame
o Perocodame
o Teroodame

- Timucua, Florida and Georgia
o Acuera, central Florida
o Agua Fresca (or Agua Dulce or Freshwater), interior northeast Florida
o Arapaha, north central Florida and south central Georgia?
o Cascangue, coastal southeast Georgia
o Icafui (or Icafi), coastal southeast Georgia
o Mocama (or Tacatacuru), coastal northeast Florida and coastal southeast Georgia
o Northern Utina north central Florida
o Ocale, central Florida
o Oconi, interior southeast Georgia
o Potano, north central Florida
o Saturiwa, northeast Florida
o Tacatacuru, coastal southeast Georgia
o Tucururu (or Tucuru), central? Florida
o Utina (or Eastern Utina), northeast central Florida
o Yufera, coastal southeast Georgia
o Yui (Ibi), coastal southeast Georgia
o Yustaga, north central Florida

- Tiou (Tioux), Mississippi
- Tocaste, Florida
- Tocobaga, Florida
- Tohomé, northwestern Florida and southern Alabama
- Tomahitan, eastern Tennessee
- Topachula, Florida
- Tukabatchee (Tuk-ke-bat-che), Muscogee Creek Confederacy, Alabama
- Tuscarora, North Carolina, Virginia, later New York
- Tutelo (Nahyssan), Virginia
- Tunica, Arkansas and Mississippi
- Utiza, Florida
- Uzita, Tampa Bay, Florida
- Vicela, Florida
- Viscaynos, Florida
- Waccamaw, South Carolina
- Waccamaw Siouan, North Carolina
- Wateree (Guatari, Watterees), North Carolina
- Waxhaw (Waxsaws, Wisack, Wisacky, Weesock, Flathead), North Carolina and South Carolina
- Westo, Virginia and South Carolina
- Winyaw, South Carolina coast
- Woccon, North Carolina
- Yamasee, Florida, Georgia
- Yazoo, southeastern tip of Arkansas, eastern Louisiana, Mississippi
- Yuchi (Euchee), central Tennessee, later Oklahoma