Ii is a municipality of Finland.
It is located in the province of Oulu and is part of the Pohjois-Pohjanmaa region. The municipality has a population of 6360 and covers an area of 635,24 kmē of which 15,38 kmē is water. The population density is 10,339 inhabitants per kmē.
The municipality is unilingually Finnish.
See also: Municipalities of Oulu