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 counties of Iwami, Yazu as well as the towns of Yurihama and Misasa in Tōhaku District. As of 2012, 256,020 eligible voters were registered in the district. Before the electoral reform of 1994, the area had been part of Tottori At-large district where four Representatives had been elected by single non-transferable vote.