Christian Heinrich Postel was a German jurist, epic poet and opera librettist, who wrote 28 libretti for the Oper am Gänsemarkt in Hamburg: set by composers such as Johann Philipp Förtsch, Reinhard Keiser and Georg Philipp Telemann. His texts for a St John Passion were set by composers Christian Ritter, Johann Mattheson and Johann Sebastian Bach in their respective St John Passion.

Christian Heinrich Spiess was a German writer of romances and later pulp fiction, horror stories.

Christian Heinrich von Nagel was a German geometer.

Christian Hermann Weisse was a German Protestant religious philosopher and professor of philosophy at the University of Leipzig. He was the son of theologian Christian Ernst Weisse (1766–1832).

Christian Hoffmann von Hoffmannswaldau was a German poet of the Baroque era.

Christian Homburg is a German marketing researcher, director of the IMU – Institute for Market-oriented Management and chaired professor for Marketing at the University of Mannheim. His special subjects are market-oriented management, customer relationship management and sales management. Furthermore, from 2006 until the 2010, Homburg was the exclusive managing director of the Mannheim Business School. In addition to his academic position, he is chairman of the scientific advisory committee of Homburg & Partner, an international management consultancy firm.

Christian Jacq is a French author and Egyptologist. He has written several novels about ancient Egypt, notably a five book series about pharaoh Ramses II, a character whom Jacq admires greatly.

Christian Jakob Kraus was a German comparative and historical linguist.

Christian Jakob Salice-Contessa (1767–1825) was a German poet and writer.

Christian Joppke is a German political sociologist, professor and chair in general sociology at the University of Bern, Switzerland. He is the author of more than one hundred publications, monographs and manuscripts and among the most widely cited authors in the field of citizenship and immigration. Essentially a critic of multiculturalism, Joppke is self-defined "a reactionary liberal."