Hokkaidō 10th district (北海道[第]10区) is a single-member electoral district for the House of Representatives, the lower house of the National Diet of Japan. The district is located in the prefecture (-dō) of Hokkaidō and represents the municipalities within Hokkaido's Sorachi and Rumoi subprefectures, as well as the towns of Horokanai (formerly within Sorachi, now a part of Kamikawa Subprefecture) and Horonobe (formerly within Rumoi, now a part of Sōya Subprefecture).