A Native American people formerly inhabiting the Missouri River valley from Kansas into the Dakotas and now located in western North Dakota. Traditional Arikara life was based on agriculture and trade with the Plains Indians to the west.

• 厄里克勒族美国一土著民族，原居住在密苏里河流域堪萨斯至达科他，现居住在北达科他州西部。传统的亚里克拉生活系建立在农业，以及与西面的大平原印第安人贸易的基础上