Stephen Return Riggs (March 23, 1812 – August 24, 1883) was a Christian missionary and linguist who lived and worked among the Dakota people.
Riggs was born in Steubenville, Ohio. His career among the Dakota began in 1837 at Lac qui Parle in what is now Minnesota, where there was a mission. He worked among the Dakota Sioux for the remainder of his life, producing a grammar and dictionary and a translation of the New Testament
In his autobiography Mary and I, or Forty Years with the Sioux, Riggs describes his life. In 1862, he served as interpreter at the trials of the Sioux Uprising. He died in Beloit, Wisconsin.
- 1852 A Grammar and Dictionary of the Dakota Language
- 1871 Dakota wowapi wakan kin. The New Testament, in the Dakota language
- 1880 Mary and I, or Forty Years with the Sioux