Bela Jenbach, real name Béla Jacobowicz (1 April 1871 in Miskolc, Kingdom of Hungary – 21 January 1943 in Vienna) was an Austrian actor and operetta librettist of Hungarian origin.
Jenbach was of Jewish origin and the brother of the screenwriter Ida Jenbach.
He was co-author of several well-known operetta libretti.
Jenbach died in the Auersperg Sanatorium in Vienna and was buried in the Matzleinsdorf Protestant Cemetery.