Kazuma Nakatani (born August 30, 1983) is a Japanese politician, businessman, and judo therapist.

On December 14, 2014, he ran for the 47th General Election for members of the House of Representatives from Kanagawa 7th District with the Democratic Party of Japan(DP) official recognition, and was defeated second to The Liberal Democratic Party's Mr. Keisuke Suzuki.

[12] He ran for the 48th General Election of members of the House of Representatives on October 22 with the constitutional democratic party official recognition from Kanagawa 7th district.

While he was defeated second to The Liberal Democratic Party's Mr. Keisuke Suzuki, after all he was elected for the first time due to a proportional revival.

[13] In May 2018, he was appointed secretary general of the Constitutional Democratic Party of Japan's Parliamentary Group of Science, Technology and Innovation.