Daganbhuiyan (Bengali: দাগনভূঁইয়া, officially spelled: দাগনভূঞা)[4][5] is an upazila (sub-district) of Feni District in the division of Chittagong, Bangladesh.

During the reign of Mughal prince Shah Shuja, many officers and military leaders are known from historical sources to have settled in the Noakhali and Comilla regions.

There is a popular belief that two eminent individuals named Daganbhuyan and Matubhuyan, belonging to a lineage of the Baro-Bhuyan clan of Bengal, had settled in the western part of Feni around this time.

As of the 2011 Census of Bangladesh, Daganbhuiyan had 49,038 households and a population of 254,402.

[12] Daganbhuiyan Municipality is subdivided into 9 wards and 20 mahallas.