Langadu (Bengali: লংগদু) is an upazila of Rangamati District[3] in the Division of Chittagong, Bangladesh.

As of the 2022 Bangladeshi census, Langadu upazila had a population of 90,408.

[4] Ethnicity in the Langadu Upazila (2022)[4] UNO: Mohammad Saiful Islam.

The union parishads are subdivided into 25 mauzas and 138 villages.

This Chittagong Division location article is a stub.