| Karl Diller | |
| Office: | Member of the Bundestag |
| Term Start: | 1987 |
| Term End: | 2009 |
| Birth Date: | 1941 1, df=yes |
| Birth Place: | Kaiserslautern, West Germany |
| Party: | SPD |
| Nationality: | German |
Karl Diller (born 27 January 1941) is a German politician. Born in Kaiserslautern, Rhineland-Palatinate, he represents the SPD. Karl Diller has served as a member of the Bundestag from the state of Rhineland-Palatinate from 1987 until 2009.[1]
From 1979 to 1987 he was a member of the state parliament of Rhineland-Palatinate. From 1998 to 2009 he was Parliamentary State Secretary to the Federal Minister of Finance.