Ōita 3rd district (大分県第3区, Ōita-ken dai-sanku or simply 大分3区, Ōita-sanku ) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Ōita Prefecture.
In the 2026 election, the incumbent, former Foreign Minister (Oct 2024–Oct 2025) Takeshi Iwaya; faced several conservative challengers, including activist Uryu Hirano, who criticized him for his alleged 'weak stance' on China.
Areas covered Since 2013 Beppu Bungotakada Kitsuki Nakatsu Kunisaki Usa Hayami District Higashikunisaki District
2002 - 2013 Beppu Bungotakada Kitsuki Nakatsu Usa Hayami District Higashikunisaki District Nishikunisaki District Shimoge District Usa District
1994 - 2002 Beppu Hita Ōita District Kusu District Hita District
List of representatives Election Representative Party Notes1996 NFP Sun GGP Democratic2000Takeshi Iwaya LDP200320052009Katsuhiko Yokomitsu Democratic2012Takeshi Iwaya LDP20142017202120242026
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