Commission on the Constitution
Commission on the Constitution
(As of July 30,2025)
The Commission on the Constitution conducts wide-ranging and integrated research on the Constitution of Japan and basic laws closely related to the Constitution of Japan, and conducts deliberations on bills to amend the Constitution, initiations of amendments related to the Constitution of Japan and bills related to a national referendum.
| Title | Name | Political Groups |
|---|---|---|
| Chairman | NAKASONE Hirofumi | LDP |
| Director | USUI Shoichi | LDP |
| Director | NAKANISHI Yusuke | LDP |
| Director | YAMAMOTO Keisuke | LDP |
| Director | WAKABAYASHI Yohei | LDP |
| Director | TSUJIMOTO Kiyomi | CDP |
| Director | KAWAI Takanori | DPFP-SR |
| Director | TANIAI Masaaki | KP |
| Director | KATAYAMA Daisuke | JIP |
| Director | YAMAZOE Taku | JCP |
| AOYAMA Shigeharu | LDP | |
| KAJIHARA Daisuke | LDP | |
| KATAYAMA Satsuki | LDP | |
| KATO Akiyoshi | LDP | |
| KOSHO Harutomo | LDP | |
| KOBAYASHI Kazuhiro | LDP | |
| FUJIKI Shinya | LDP | |
| MATSUKAWA Rui | LDP | |
| MATSUSHITA Shimpei | LDP | |
| YAMAMOTO Sachiko | LDP | |
| YOSHII Akira | LDP | |
| KONISHI Hiroyuki | CDP | |
| FUKUSHIMA Mizuho | CDP | |
| UEDA Kiyoshi | DPFP-SR | |
| ITO Takae | KP | |
| ASADA Hitoshi | JIP | |
| MATSUZAWA Shigefumi | JIP | |
| NIHI Sohei | JCP | |
| YAMAMOTO Taro |
The names of the political groups in the house, have been abbreviated on this page using unofficial abbreviations. 'None' indicates the house member who is not affiliated with a political group. For the official names of the political groups, please click here.