Alexander Tschäppät (16 April 1952 – 4 May 2018) was a Swiss politician. Tschäppät was a member of the Social Democratic Party of Switzerland. He was a member of the National Council of Switzerland from 1991 to 2003 and again 2011 to 2018. He was mayor ("Stadtpräsident") of Bern 2005 until 2016.