Aichi 9th district (愛知県第9区, Aichi-ken dai-kyuku or simply 愛知9区, Aichi-ken kyuku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Aichi Prefecture.

Areas covered since 2022 Ama Aisai Inazawa Tsushima Yatomi Ama District

2013 - 2022 Part of Ichinomiya Former Bisai area Ama Aisai Inazawa Tsushima Yatomi Ama District

1994 - 2013 Bisai Inazawa Tsushima Ama District Nakashima District

List of representatives ElectionRepresentativePartyNotes1996Toshiki Kaifu New Frontier Liberal2000 New Conservative20032005 LDP2009 Mitsunori Okamoto Democratic2012Yasumasa Nagasaka LDP2014201720212024Mitsunori OkamotoCDP2026Yasumasa NagasakaLDP

Election results 2026 • 2024 • 2021 • 2017 • 2014 • 2012 • 2009 • 2005 • 2003 • 2000 • 1996

2026

2024

2021

2017

2014

2012

2009

2005

2003

2000

1996

References