Look up South Dakota in Wiktionary, the free dictionary.

South Dakota is a state in the United States.

South Dakota may also refer to:

• University of South Dakota, a public coeducational research (R2) university in Vermillion
  • South Dakota Coyotes athletic teams representing the University of South Dakota
• South Dakota State University, a public research university in Brookings
  • South Dakota State Jackrabbits athletic teams representing South Dakota State University
• USS South Dakota, the name of three ships of the U.S. Navy
• South Dakota-class battleship (1920), a class of six ships authorized but never completed
• South Dakota-class battleship (1939), a class of four ships which saw service in World War II
• 26715 South Dakota, an asteroid