Masaru Shintani (February 3, 1928 – May 7, 2000) was a Japanese-Canadian master of karate who introduced the Wadō-ryū style of karate in Canada and founded the Shintani Wado-Kai Karate Federation. At the time of his death he was the Supreme Instructor of Wado Kai Karate in North America. Shintani devoted over 50 years to the study of Karate. He also held ranks in Judo (Sandan), Aikido (Shodan), and Kendo (Shodan).