Classical Japanese martial arts.
Lightsaber techniques used in the movies are very similar to the Samurai using a Japanese Katana.
Jedi mind tricks are reminiscent of psychological warfare used by ninja. Such as the power of persuasion, and misdirection
Both Ninja and Jedi are known for having supernatural powers, and they are also known to use that common information against people by scaring them with the threat of "magic".
