Mii (三井郡, Mii-gun) is a district located in Fukuoka Prefecture, Japan.

As of 2003 statistics (but following the merger of Kitano), the district has an estimated population of 15,378 and a density of 674 persons per km². The total area is 22.83 km².

Towns and villages

• Tachiarai

Mergers

• On February 5, 2005 the former town of Kitano merged with three other towns (from other districts) into the city of Kurume.^[1]