Claudia Lux (born 24 March 1950 in Gladbeck, Germany) is a German librarian and the Member of the National Committee of International Federation of Library Associations and Institutions.

She worked in the East Asia Department of the Berlin State Library and participated in a number of research projects.

She was the successor of Alex Byrne and after Gustav Hofmann and Hans-Peter Geh, Lux was the third German, who held this office.

Lux has been Honorary Professor of the Library and Information Sciences Institute at Humboldt University in Berlin since 2006.

In April 2012 Lux left her position as the director-general of the Central and Regional Library Berlin and moved to Qatar.