Kaoru Yosano (??? ?, Yosano Kaoru) (August 22, 1938 – May 23, 2017) was a Japanese politician.
He was a member of the 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 2009 Japanese general election.
Yosano was Chief Cabinet Secretary to Prime Minister Shinzo Abe from August 2007 to September 2007 and was Minister of Economic and Fiscal Policy in Taro Aso's administration from February to September 2009.