Osaka Detention House

Osaka Detention House (大阪拘置所) is a correctional facility in Miyakojima-ku, Osaka. A part of the penal system of Japan, it is operated by the Ministry of Justice.

One of Japan's seven execution chambers is in this facility.

Notable prisoners

 * Kaoru Kobayashi (hanged 21 February 2013)
 * Mamoru Takuma (hanged 14 September 2004)
 * Yukio Yamaji (hanged 28 July 2009)
 * Hiroshi Maeue (hanged 28 July 2009)
 * Sokichi Furutani (hanged 31 May 1985)
 * Yoshihiro Inoue (hanged 6 July 2018)
 * Yasutoshi Kamata (hanged 25 March 2016)
 * Tomohiro Katō (hanged 26 July 2022)
 * Tomomitsu Niimi (hanged 6 July 2018)
 * Keizo Okamoto (hanged 27 December 2018)
 * Hiroya Suemori (hanged 27 December 2018)
 * Kenichi Watanabe (hanged 16 June 1988)
 * Tetsuya Yamagami (held pending mental evaluation)
 * Yoshio Yamasaki (hanged 17 June 2008)