Kosaburo Nishime (西銘 恒三郎, Nishime Kōsaburō), born August 7, 1954, is a Japanese politician who has served in the House of Representatives representing Okinawa since 2012. He is a member of the Liberal Democratic Party.

Nishime is a native of Chinen, Okinawa, and graduated from Sophia University.

Nishime was elected to the Okinawa Prefectural Assembly for the first time in 1988 and to the Diet for the first time in 2003.

He has represented Okinawa since 2012, holding the Okinawa 4th district, except for the period from 2014-2017 when he was a Kyushu Proportional Representation member.

Nishime served as Minister of Reconstruction from October 2021 to August 2022.

His father is Junji Nishime, former governor of Okinawa Prefecture, and his brother is Junshiro Nishime, a former member of the House of Councilors in the Diet.

• 政治家情報 〜西銘 恒三郎〜. JANJAN ザ･選挙 (in Japanese). Retrieved 2007-10-10. NB: This source incorrectly states that his name is Kozaburo.

• Official website