List of South Dakota railroads

The following railroads operate in the U.S. state of South Dakota.

Current freight carriers

 * BNSF Railway (BNSF)
 * Canadian Pacific Kansas City (CPKC) through subsidiaries Dakota, Minnesota and Eastern Railroad (DME) and Soo Line Railroad (SOO)
 * D&I Railroad (DAIR)
 * Dakota, Missouri Valley and Western Railroad (DMVW)
 * Dakota Southern Railway (DSRC)
 * Ellis and Eastern Company (EE)
 * Ringneck & Western (RWRR)
 * Sisseton Milbank Railroad (SMRR) - subsidiary of Twin Cities and Western Railroad
 * Sunflour Railroad (SNR)
 * Rapid City, Pierre and Eastern Railroad (RCPE)

Passenger carriers

 * Black Hills Central Railroad
 * Prairie Village, Herman and Milwaukee Railroad