A Native American people constituting a subdivision of the Teton Sioux,formerly inhabiting the Black Hills region of western South Dakota,with a present-day population mainly in southwest South Dakota.

• 奥加拉拉人美洲印第安人特顿苏族人的分支，以前居住在美国南达科他州西部的黑山地区，现在其人口主要居住在南达科他州的西南。