Kitaadachi (北足立郡 Kita-Adachi-gun?) is a district located in Saitama Prefecture, Japan.
As of September 1, 2005, the district has an estimated population of 36,979 and a density of 2,498.58 persons per km². The total area is 14.80 km². (These numbers are excluding those of Fukiage, which merged with a city outside of the district on October 1, 2005.)
Coordinates: 35°58′19″N 139°38′10″E / 35.972°N 139.636°E