Wolfgang Tiefensee (born 4 January 1955 in Gera) is a German SPD politician.
He was the Federal Minister for Transport, Building and Urban Development in the grand coalition cabinet led by Angela Merkel between 2005 and 2009.
Since 2014, he has been the State Minister of Economy, Science and the Digital Society in the government of Thuringia's Minister-President Bodo Ramelow.