No Defense is a 1929 American sound part-talkie romantic drama film directed by Lloyd Bacon and starring Monte Blue.

In addition to sequences with audible dialogue or talking sequences, the film features a synchronized musical score and sound effects along with English intertitles.

The soundtrack was recorded using the Vitaphone sound-on-disc system.

The film was distributed by Warner Brothers.

This article about a 1920s romantic drama film is a stub.