Bruno Diekmann (19 April 1897 – 11 January 1982) was a German politician (SPD) from Kiel and Minister-President of Schleswig-Holstein (1949–1950).

[1][2][3][4] From 5 May 1991 to 11 May 1992 Diekmann was the oldest former Minister-President of Germany, preceded by Max Seydewitz.

He is still the oldest Minister-President of the states of the Federal Republic of Germany (FRG), succeeded by Werner Bruschke of the GDR.

If only minister-presidents of the FRG are counted, he was the oldest since 27 March 1990, preceded by Hans Ehard.

This biography article about a member of the Social Democratic Party of Germany (SPD) is a stub.