thumb | right | alt=A view of public building in Hoki, Japan. | A view of public building in Hoki, Japan.
was a town located in Hino District, Tottori Prefecture, Japan.
As of 2003, the town had an estimated population of 5,309 and a density of 52.88 persons per km<sup>2</sup>. The total area was .
On January 1, 2005, Mizokuchi, along with the town of Kishimoto (from Saihaku District), was merged to create the town of Hōki (in Saihaku District).