Senboku (泉北郡 Senboku-gun?) is a district located in Osaka Prefecture, Japan.
As of 2009, the district has an estimated population of 17,659 and a density of 4,380 persons per km². The total area is 4.03 km².
Coordinates: 34°29′N 135°23′E / 34.483°N 135.383°E