Mitchigamea or Michigamea is an extinct language formerly spoken by the Mitchigamea people in Arkansas.
In 1673, Jacques Marquette and Louis Jolliet asked a Mitchigamea man, who only spoke Illinois poorly, to be a translator between the Illinois-speaking French, and the Dhegihan-speaking Quapaw. Jean Bernard Bossu provided two sentences from the mid-18th century which, according to John Koontz, indicate that Michigamea was a Siouan language of the Mississippi Valley branch.Koontz, John E. 1995. Michigamea as a Siouan language. Paper presented at the 15th annual Siouan and Caddoan Languages Conference, University of New Mexico - Albuquerque. Others argue that Mitchigamea might have been an Algonquian language instead.
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