Kay Weniger (born 1956) is an Austrian writer of books on media issues.
Weniger studied the history of art, history and archaeology at the Hamburg University, and gained his doctorate with a thesis titled Wiederaufbau- und Neubauplanung in Hamburg 1945 bis 1950.
In 2001 he published the eight-volume encyclopaedia "Das grosse Personenlexikon des Films".
It contains more than 6100 biographies of all kinds of men and women active in the international film business.
It contains some 500 biographies on people in theatre, film and the music business who suffered under National Socialist persecution and terror in Europe between 1933 and 1945.