A by-election for the Tokyo 10th district in the Japanese Japanese House of Representatives was held on 23 October 2016 to replace Yuriko Koike, who vacated the seat to contest the Tokyo gubernatorial election in July 2016.
A by-election for the Tokyo 10th district in the Japanese Japanese House of Representatives was held on 23 October 2016. This was to replace Yuriko Koike. Yuriko Koike vacated the seat to contest the Tokyo gubernatorial election in July 2016.