Henri Weiss, better known as Henri Berény and also given as Henrik Berény and Henry Bereny (1 January 1871 – 23 March 1932) was a Hungarian composer, violinist, pianist, conductor, screenwriter and film director. He is best remembered as a composer of operas and operettas. The brother of composer and pianist Josef Weiss, his best known works are Lord Piccolo (also known as Little Boy Blue) and Das Mädel von Montmartre (English: The Girl from Montmartre), both of which were staged on Broadway and at theaters internationally.

In addition to his work for the theatre, Berény wrote more than 300 popular dance works, and composed numerous songs in both classical and popular styles. He also published several ragtime piano works that were written in the style of Scott Joplin, and had a brief career as a film director and screenwriter for silent films that began with the 1907 short film The Hand. He notably directed his wife, the Danish actress Charlotte Wiehe-Berény, in the 1916 Danish film Lotte vil paa Landet.