Kazumi Ota (太田 和美, Ōta Kazumi, born August 28, 1979) is a Japanese politician who is the current mayor of Kashiwa.

She has previously served as a member of the House of Representatives in the Diet (national legislature) from 2006 to 2012, and again from 2014 to 2017.

Kazumi Ota was elected to the Chiba Prefectural Assembly in 2005 and then to the House of Representatives for the first time in 2006 during special by-elections in Chiba 7th district.

During 2009 general elections that marked DPJ's landslide victory, Ota was re-elected in Fukushima 2nd district.

[1] She once worked as a hostess, which in the past would have likely ignited a scandal but has not presently done so.