The Law Regarding Measures of State Self-Defense (in German: Gesetz über Maßnahmen zur Staatsnotwehr) was issued by the Reich government on July 3, 1934 to post-legalize the killings of Ernst Röhm and many others in the so-called Night of the Long Knives (June 30, 1934).

The law consisted of a single article:

German English Translation
Die Reichsregierung hat das folgende Gesetz beschlossen, das hiermit verkündet wird: The Reich government has decided upon the following law that is herewith announced:
Einziger Artikel. Die zur Niederlegung hoch- und landesverräterischer Angriffe am 30. Juni, 1. und 2. Juli 1934 vollzogenenen Maßnahmen sind als Staatsnotwehr rechtens. Single article. The measures taken on June 30, July 1 and 2 1934 in order to put down attacks of high treason shall be legal State self-defense.

The bill is signed by Reichskanzler Hitler, Minister of the Interior Wilhelm Frick, and Minister of Justice Dr. Gürtner.