Yagyū Jūbei Mitsuyoshi (1607–1650) was a famous Japanese samurai.
Jubei Yagyu is also the name of:
Jubei Yagyu (Samurai Shodown), a character in the Samurai Shodown fighting games Yagyu Sekishusai Jubei and Yagyu Akane Jubei, characters in Onimusha video games Yagyu Jubei, a character in the Yaiba manga/anime A character in the Jubei-chan: The Ninja Girl anime A character in the Hyakka Ryōran Samurai Girls anime