Lyman is an unincorporated community in Lyman County, in the U.S. state of South Dakota.[1]
Lyman was originally called McGill, and under the latter name was laid out in 1919.[2] The present name is after the county in which Lyman is located.[1]
43°52′52″N 99°44′22″W / 43.88111°N 99.73944°W