The Sioux spoke French, English and their Native language which is Sioux ( which was named after them)
they speak sioux, which has 3 dialects- nakota, lakotah, and dakotah.
Today they speak English. Historically they spoke Kiowa (Khoiye or Kaegua). This is not closely related to any other language.
A few words in Kiowa are:
The Kiowa people speak:
Kiowa, also called Cáuijògà, is a Tanoan language spoken mainly in Caddo, Kiowa, and Comanche counties.
Plains Sign Talk, also called Plains Indian Sign Language, Plains Sign Language and First Nation Sign Language, was a trade language, that was once the lingua franca across central Canada, central and western United States and northern Mexico, used among the various Plains Nations. It was also used for story-telling, oratory, various ceremonies, and by deaf people for ordinary daily use.
Lakota Sioux. It was a dialect of Sioux. I know because I am leaning to speak Lakota Sioux.
English
Algonqulan Or Algonkian
The Inuit are not Indians and the Inuit have many different languages. It's like asking someone what did Europeans speak?
The Lenape spoke Lenape Languagealso known as Unami.
the teton Sioux Indians lived in teepees
The achievements of the Sioux Indians was the Battle of Little Big Horn, where the Sioux Indians at an Indian camp fought off early American forces when they tried to take their territory.
Sioux
The Manhasset indians spoke the Munsee and Unami languages.
Algonquian!
Caddoan
Sourashtian
algonquon
english.
The Sioux nation had many different languages, but yes, there are still people who can speak them
english.
They spoke Caddoan
Algonqulan Or Algonkian
Iroquian and/or Ojibway