Tottori 1st district is a constituency of the House of Representatives in the Diet of Japan. It covers roughly the Eastern half of Tottori and consists of the cities of Tottori and Kurayoshi and the districts of Iwami, Yazu and the town of Misasa in Tōhaku District. In 2012, 256,020 eligible voters were registered in the district. In 2013 the town of Yurihama was transferred to the 2nd district. Before the 2021 elections, the district had 230,959 eligible voters, fewer than in any other single member electoral district.