Ōsaka 17th district (大阪府第17区, Ōsaka-fu daijuunanaku or 大阪17区, Ōsaka-juunanaku) is a single-member electoral district of the House of Representatives, the lower house of the national Diet of Japan. It is located in western Osaka and consists of Kita-ku, Naka-ku and Nishi-ku of Sakai City. As of 2022, 329,205 eligible voters were registered in the district.[1]