For homonymous articles, see Oto and Otoe. This article is a draft concerning North-Amerindians.

You can share your knowledge by improving it (how?); for more information, visit the North Amerindians project. Delegation of Otos in January 1881.

Otos, also called Otoe, are an indigenous people of Oklahoma speaking a Siouan language. With the Missouri, the Omaha and the Poncas, the Otos were formerly part of the Ho-Chunk (Winnebagos).

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