Mitsusuke Harada, MBE (原田 満祐, Harada Mitsusuke, 16 November 1928 – 26 February 2021) was a prominent Japanese master of Shotokai karate who introduced this martial art to Brazil and was after based in the United Kingdom. He founded the Karate-do Shotokai (KDS) organisation in 1965 and was its president. Harada held the rank of 5th dan, personally awarded by Gichin Funakoshi in 1956.