Samitirhat Union (Bengali: সমিতিরহাট) is a union of Fatikchhari Upazila of Chittagong District.

Samitirhat has an area of 2,601 acres (10.53 km²).

• North: Nanupur Union
• East: Jafotnagar Union
• South: Hathazari Upazila
• West: Roshangiri Union

At the 1991 Bangladesh census, Samitirhat Union had a population of 15,502.

• Samitirhat Union details, lcgbangladesh.org