Roshangiri Union () is a union of Fatikchhari Upazila of Chittagong District.
Geography Area: 1,723 acres (6.97 km2).
Location North: Lelang Union East: Samitirhat Union South: Hathazari Upazila West: Daulatpur Union
Population At the 1991 Bangladesh census, Roshangiri Union had a population of 7,886. AT the 2018 The National Household Database (NHD),Roshangiri Union had a population about 18 Thousands.
References , lcgbangladesh.org