Nishiizu (西伊豆町, Nishiizu-chō) is a town located in Kamo District, Shizuoka Prefecture, Japan.

Sandwiched between the Amagi Mountains to the east and Suruga Bay on the Pacific Ocean to the west, Nishiizu has a hill hinterland and a rocky, indented ria coast.

[3] During the Edo period, all of Izu Province was tenryō territory under the direct control of the Tokugawa shogunate, and the area now comprising Nishiizu consisted of seven villages within the ancient Naka District.

With the establishment of the modern municipality system of the early Meiji period in 1889, the area was reorganized into three villages (Nishina, Tago, and Ugusu), which became part of the Kamo District in 1896.

It is also known as "Izu's Matsushima" due to the beauty of its scenery which features pumice cliffs, volcanic rock formations, sea caves, and uninhabited islands.