Chikushi (筑紫郡, Chikushi-gun) was a district located in Fukuoka Prefecture, Japan.

As of 2003, the district had an estimated population of 46,540 and a density of 620.62 persons per square kilometer. The total area was 74.99 km.

Former towns and villages

• Nakagawa

Mergers

• On October 1, 2018, the town of Nakagawa was elevated to city status. Chikushi District was dissolved as a result of this merger.