Hokkaido 11th district

Hokkaidō 11th district (北海道[第]11区, Hokkaidō-[dai-]jūikku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in southeastern Hokkaidō and consists of the city of Obihiro and the surrounding Tokachi Subprefecture. As of 2016, 291,852 eligible voters were registered in the district. The district is the country's second largest in terms of area after the neighbouring 12th district.

The district has been represented by Kaori Ishikawa of the Constitutional Democratic Party since the 2017 general election, when she defeated the incumbent member Yūko Nakagawa from the Liberal Democratic Party. Both are incidentally the spouse of former members of the district. Ishikawa is married to Tomohiro Ishikawa, who was an MP for the district from 2009 until his defeat to Yūko Nakagawa in the 2012 general election. Nakagawa is married to former member and Finance Minister Shōichi Nakagawa.