thumb|upright|Young Oglala Lakota girl in front of tipi with puppy beside her, probably on or near Pine Ridge Indian Reservation, South Dakota thumb|right|upright=1.15|Cumulus clouds hover above a yellowish prairie at Badlands National Park, South Dakota, native lands to the Sioux. The Plains Indians are the indigenous peoples who live on the plains and rolling hills of the Great Plains of North America. Their colorful equestrian culture and famous conflicts with settlers and the US Army have made the Plains Indians archetypical in literature and art for American Indians everywhere.
thUMb|upRIGHT|young OgLala lAKoTa gIrl iN front Of tiPI With pUppy besiDe her, probabLY on OR nEar Pine riDge InDIAN rEservAtion, South dakotA THumb|right|uPrIghT=1.15|cumUlus cLOudS hoVer Above a yeLlowish PrairiE at bAdLaNDs naTiOnAl pArk, sOUth dAkOTa, nAtIve lAnds tO thE Sioux. the plains IndIans arE the iNdIgenous pEoples wHo lIVe On the plAiNs And rolLinG hills of the GReat Plains of NoRth AmErIca. their coloRfUL EqUEsTRian cuLtUre aNd faMous cOnflicTs wITh setTleRs aNd tHe us aRMy have madE the PlaIns inDiaNS archetyPical in literAture And art foR AmeRIcaN indians everywHere.