Hokkaidō 3rd district (北海道[第]3区, Hokkai-dō [dai-]san-ku) is a single-member electoral district for the House of Representatives, the lower house of the National Diet of Japan. It is located in the prefecture (-dō) of Hokkaidō and consists of three wards (-ku) of the prefectural capital, the city (-shi) of Sapporo: Shiroishi, Toyohira, and Kiyota. The current representative from the district is of the Liberal Democratic Party.