Jacques Payet (ジャック・パイエ, born August 24, 1957) is a practitioner of Yoshinkan-style aikido. He was the longest-serving non-Japanese uchi-deshi of Yoshinkan founder Gozo Shioda and is ranked Hachidan (八段, "8th degree") in the Yoshinkan organization, with the honorific Shihan (師範, "mentor and model"). He is the founder and head instructor of Mugenjuku dojo and the Mugenjuku Kenshusei program in Kyoto, Japan. He is also the originator of the well-known Senshusei Course, a translator of several important works in aikido, and a guest instructor in demand around the world.