Destroy All Monsters (also known as Attack of the Marching Monsters, and Koija So Shingeki in the original Japanese) is a 1968 film. Part of the Toho studio's Godzilla series, it was directed by Jun Fukuda with special effects by Eiji Tsubaraya and Sadamasa Arikawa.

It is the ninth Godzilla movie, and Toho's 20th monster film. In it, a collection of monsters tries to destroy humanity.