Niimi(新見市,Niimi-shi) is a city located in northwestern Okayama Prefecture, Japan.
As of March 31, 2011, the city has an estimated population of 34,035 (16,200 males, 17,835 females), with 13,077 households and a population density of 42.90 persons per km². The total area is 793.27km². Niimi is located on the upper reaches of the Takahashi River (110.7 kilometres (68.8mi).