Kaoru Yosano (与謝野 馨, Yosano Kaoru?, born August 22, 1938) is a Japanese politician. He was a member of Liberal Democratic Party (LDP), the Sunrise Party of Japan and former member of the House of Representatives, serving his ninth term in the Lower House representing Tokyo's first electoral district until his defeat in the Japanese general election, 2009. Yosano was Chief Cabinet Secretary to Prime Minister Shinzō Abe from August 2007 to September 2007 and was State Minister in charge of Economic and Fiscal Policy in Taro Aso`s administration from February to September 2009.
Born the grandson of poets Yosano Akiko and Yosano Tekkan in Tokyo, he graduated from the University of Tokyo in 1963. In 1972 he unsuccessfully ran for a seat in House of Representatives. Yosano then served as secretary to Yasuhiro Nakasone. He ran again in 1976 and was elected for the first time. On August 27, 2007, he was appointed Chief Cabinet Secretary to Prime Minister Shinzo Abe, replacing Yasuhisa Shiozaki. He was replaced by Nobutaka Machimura on September 27 when Yasuo Fukuda succeeded Abe.
Yosano was appointed as State Minister in charge of Economic and Fiscal Policy on August 1, 2008.