Sieben may refer to:
People with the surname Harry A. Sieben, an American politician from the Democratic-Farmer-Labor Party Jon Sieben, an Australian former butterfly swimmer Katie Sieben, a Minnesota politician and a member of the Minnesota Senate Otto Sieben, the pseudonym of Gerhard Narholz Todd Sieben, a Republican member of the Illinois State Senate Fynn Noah Sieben, a German individual
Places Sieben, United States Virgin Islands, a settlement on the island of Saint John in the United States Virgin Islands
See also Siebens, a surname