Only the Brave Know Hell (released in the United States as The Ravagers) is a 1965 Filipino-American war drama film directed by Eddie Romero and co-written by Romero and Cesar Amigo, starring John Saxon, Fernando Poe Jr. and Vic Diaz. It was produced by Hemisphere Pictures, which consisted of Eddie Romero, Kane W. Lynn and Irwin Pizor. In the Philippines, the Pilipino-language version was entitled Hanggang May Kalaban (lit. 'Until There Are Enemies') while the English-dubbed version was entitled Only the Brave Know Hell, both of which were released in February 1965, while in the United States, it was released as The Ravagers in December 1965.

The film is set in the Philippines during World War II. It is about a band of brave Filipino guerrillas who battle with the last remaining Japanese occupation forces.

The film was advertised as "the biggest war film ever filmed in the Philippines". Lead actress Bronwyn FitzSimons was the daughter of actress Maureen O'Hara.

It was one of several war movies Saxon made outside Hollywood.