Der Bäbu (The Baboo) is a Comic opera in three acts by Heinrich Marschner.

The German libretto by Wilhelm August Wohlbrück (Marschner's brother-in-law) is based on the book The Baboo and Other Tales Descriptive of Society in India, Smith, Elder, and Co., London 1834 by Augustus Prinsep.

The first performance took place on 19 February 1838 in Hanover.

Marschner scored the opera for two piccolos and two flutes (not doubling), two oboes, two clarinets, two bassoons, four horns, three trombones, timpani, tamtam, and strings.

This article about a German-language opera is a stub.