Nijō (二丈町 Nijō-machi) was a town located in former Itoshima District, Fukuoka Prefecture, Japan.
As of November 2009, the town had an estimated population of 13,011 and a density of 227.98 persons per km². The total area is 57.07 km².
A planned merger of municipalities was implemented on January 1, 2010; the Nijō town and the City of Maebaru and the town of Shima were merged to form new City of Itoshima. Itoshima District ceased to exist.[1]