August Neidhart (12 May 1867 in Vienna, Kaisertum Österreich – 25 November 1934 in Berlin) was an Austrian writer and librettist.
Neidhart was an author of folk plays and operettas. His earlier works included the Schwank Das Protektionskind (by Alexander Engel and August Neidhart). He achieved a worldwide success as a librettist for Leon Jessel[1]'s operetta Schwarzwaldmädel (Alte Komische Oper Berlin, 25 August 1917).