The Wurfgranate Patrone 326 was a small grenade that was developed by Germany and used by the Wehrmacht during World War II.

The Wurfgranate Patrone 326 could be fired from the Leuchtpistole 34, Leuchtpistole 42, or Sturmpistole giving German troops a small and lightweight grenade launcher for engaging targets from close range which could not be engaged satisfactorily by infantry weapons or artillery without endangering friendly troops.

Inside the body was an inner case which held the detonator, TNT bursting charge, and safety rod.

When fired the projectile was pushed out of its case and after approximately 9–11 m (10–12 yd) the safety rod fell away arming the grenade.

21-30 by the United States Department of War advised users of a captured Leuchtpistole loaded with a Wurfgranate Patrone 326 or similar munitions to: