Five Elements Ninjas (Chinese title: 五遁忍術) is a 1982 Hong Kong martial arts film directed by Chang Cheh.

Zeng's students are initially dismissive of a Japanese martial artist, but he defeats his opponent, whom he goads into committing suicide.

Suspecting a trap, he keeps two of his best students, Sheng and Tian Hao, at the school to guard it against an invasion and sends ten others to do battle.

As Sheng and Hao help to reinforce the school's defenses and set traps, the ninjas use trickery and guerrilla warfare to defeat their opponents.

Hong is overjoyed, but the leader of the ninja, Cheng Yun Mudou, advises that they push their advantage to destroy Zeng's school.

Distrustful of her, Hao accuses her of hiding his weapon when she cleans his bedroom and demands to taste-test the soup that she has poisoned before letting her serve it to Zeng; to maintain her cover, she intentionally drops it.

Remembering basic ninja training that he received in the past, Hao escapes from his bonds and takes Senji hostage when she comes to tell him that she has fallen in love with him.

[3] The review noted that Five Element Ninjas "lacks the emotional intensity of Chang's earlier films", but stated that "its delirious verve and invention more than compensate.

The body count is enormous even by Chang's notoriously gore-drenched standards, though the cartoonishly unrealistic blood-spurts and a disembowelled fighter meeting his doom after slipping on his own dangling entrails smacks more of a Monty Python Peckinpah tribute than anything especially disturbing.