Kazuyoshi Torii (, 12 November 1946 â 9 February 2022) was a Japanese manga artist and university professor.
Born in Kamata, a defunct village today part of Okazaki, Torii started his career as an assistant of Fujio Akatsuka. He made his official debut as a mangaka in 1968 in Weekly Shà Ânen Sunday with the manga Kuchinashi Inu ("Dog With No Mouth"). He is best known for the provoking, taboo-free serializated manga ' ("Professor Toilet"). The manga debuted in Weekly Shà Ânen Jump and sold over 10 million copies.
Besides his activity as an artist, Torii was a manga professor at the Aichi Shukutoku University. He died of pancreatic cancer in Nagoya on 9 February 2022, at the age of 75.