Peter Frankenberg (born 1947 in Bad Honnef, North Rhine-Westphalia, Germany) is a German researcher, professor and politician (CDU).

In 1983, he was appointed professor of physical geography at the Catholic University of Eichstätt-Ingolstadt.

In 1986, Frankenberg received the lectureship for physical geography and regional studies at the Geographic Institute of the University of Mannheim.

From 1989 until 1991, Peter Frankenberg was dean and pro-dean respectively at the faculty of history and geography and from 1991 until 1994, pro-rector of research at the University of Mannheim.

From June 2001 to 2011 he served as Minister of Science, Research and the Arts of the State of Baden-Württemberg.