Otokuni (乙訓郡 Otokuni-gun?) is a district located in Kyoto Prefecture, Japan.
As of 2003, the district has an estimated population of 15,493 and a density of 2,595.14 persons per km². The total area is 5.97 km².
Coordinates: 34°54′00″N 135°41′26″E / 34.90000°N 135.69056°E