Stephan is an unincorporated community and census-designated place (CDP) in Hyde County, South Dakota, United States.

Stephan has been assigned the ZIP code of 57346.

[5] Some say Stephan was named in honor of the martyred Saint Stephan,[6] while others believe the community has the name of Monsignor J.

[7] The tribal K-12 school Crow Creek Tribal School, affiliated with the Bureau of Indian Education (BIE), is in the settlement.

This South Dakota state location article is a stub.