Erich Iltgen (10 July 1940 – 10 June 2019) was a German politician. He was a member of the Christian Democratic Union (CDU). He served as the president of the Landtag of Saxony, the state parliament of Saxony, from 1990 to 2009. He was born in Cologne.
Iltgen died on 10 June 2019, at the age of 78.