Kivi (Persian: کیوی) is a city in the Central District of Kowsar County, Ardabil province, Iran, serving as capital of both the county and the district.

At the 2006 census, its population was 6,467 in 1,721 households. The following census in 2011 counted 7,158 people in 1,974 households. The 2016 census showed a population of 7,101 people in 2,182 households.