Taiji Kase (加瀬 泰治, Kase Taiji, 9 February 1929 – 24 November 2004) was a Japanese master of Shotokan karate who was one of the earliest masters responsible for introducing this martial art into taught his style of karate, Shotokan Ryu Kase Ha, in France from the late 1960s to the mid-1980s. In his later years, he travelled across the world teaching karate, but Paris remained his home. Kase held the rank of 9th dan in karate.