Zentaro Kamei

is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Isehara, Kanagawa and graduate of Keio University, he was elected for the first time in 2006. In the 45th House of Representatives general election held on August 30, 2009, he ran unsuccessfully for re-election as a candidate endorsed by the Liberal Democratic Party.

Prior to be in politics, he worked for Industrial Bank of Japan and Boston Consulting Group.

He is the son of the late Japanese politician Yoshiyuki Kamei, who was Minister of Agriculture, Forestry and Fisheries during the government of Junichiro Koizumi and Minister of Transport during the government of Ryutaro Hashimoto.

In April 2026 he was appointed as a professor at the National Graduate Institute for Policy Studies, a National University led by Hiroko Ota, formerly a minister in the government of Shinzo Abe.