Tagawa (田川郡 Tagawa-gun?) is a district located in Fukuoka Prefecture, Japan.
As of 2003, the district has an estimated population of 90,569 and a density of 292.98 persons per km². The total area is 309.13 km².
On March 6, 2006, the following towns merged to form the new town of Fukuchi:
Coordinates: 33°37′37″N 130°51′29″E / 33.627°N 130.858°E