was a Japanese bureaucrat who served for the police force and the Imperial Japanese Army. He served as Governor of Toyama Prefecture from 1938 to 1941. Prior to that, he held positions in Kyoto, Chiba, Aomori, and Okayama Prefectures.
As a bureaucrat, Yano's career spanned from 1921. On 1 August 1942, he was assigned as Governor of West Sumatra, Indonesia, which was then occupied by the Japanese. However, due to his opposition to Japanese policies in the occupied territories, he resigned and ended his career as a bureaucrat at the end of March 1944. His pen name was .
Yano Kanzo came from an Osaka family, the third son of Yabou Risaburo. After completing his studies at Kansai University School of Law in 1919, he worked at Sakura Cement. In October 1920, he passed the Civil Service Examination. In 1921, he was posted to the Japanese Ministry of the Interior and became a commissioned officer in the Social Affairs Bureau. Thereafter, he served as the mayor of in Kyoto Prefecture; an at the Tokyo Metropolitan Police Department; secretary and head of the ; secretary and head of the Chiba Prefecture Police Department; chief of the Tokyo Metropolitan Police Department Secretariat; and head of the .
In April 1938, he was appointed Governor of Toyama Prefecture. He was instrumental in the wartime response. However, he resigned in January 1941. On 7 July 1942, he was appointed Chief Magistrate of Imperial Army Administration.
In August 1942, Yano was appointed by the Imperial Japanese Army as Governor of West Sumatra, when the area was under the control of the 25th Division Army. He became the only civilian leader in the Japanese-occupied areas of Indonesia (other areas were led by the local military commander). Through culture, Yano Kenzo approached the Minangkabau people. He sympathised with the people's aspirations for independence and opposed the occupation government's policies that did not agree with his views. However, due to his differences, he resigned in protest at the end of March 1944. He was succeeded by Hattori Naoaki the following month.
One of Yano's legacies in office was the Kerukunan Minangkabau (Gui Gan), a body initiated to consolidate the power of the Minangkabau elite. Its members came from each district and subdistrict, comprising nagari heads, adat heads, clerics, youth, and educated groups. They met regularly and acted as an informal advisory council to the governor. Historian Gusti Asnan notes that Kerukunan Minangkabau was an early form of the House of Representatives (DPR), which was later established by the occupation government in each shu or province of Indonesia.
After leaving the governorship and returning to his home country, Yano worked as an auditor for the Nagata Seiki company.
From his experience in the Dutch East Indies would led him to become a radical anti-war activist. He wrote about his views while serving as governor in West Sumatra in an article in 1967. Yano later taught the Three No's Principle (no taxation, no unemployment, and no war) to , the mastermind of the Sanmu incident in 1961, a coup d'état attempt against the Japanese government. He was also an advisor to the Japan Industrial Development Corporation, which was established under Kawanami's influence.