Tokyo's 12th district is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan.

List of representatives ElectionRepresentativePartyNotes1996 Liberal Democratic20002003 Akihiro Ota Komeito20052009 Ai Aoki Democratic People's Life First Tomorrow2012Akihiro Ota Komeito201420172021Mitsunari Okamoto Komeito Moved to the Tokyo 29th district2024 Kei Takagi Liberal Democratic2026

Election results

References