Department of Archaeology (Bengali: প্রত্নতত্ত্ব অধিদপ্তর, pronounced [baŋladeʃ protnototto ɔdʱidoptor]) is one of the government agency of Bangladesh.

Since 2013, the department has been running its activities from the Administration Building situated in Agargaon in Dhaka.

[1] In 1983 regional offices were established in the then 4 divisions including Dhaka as the headquarter by divisional rearrangement.

Some of the mentionable among them are- Mahasthangarh, Mainamati, Somapura Mahavihara, Shita Coat Bihar, Nawabganj, Kantajew Temple, Choto Sona Mosque, Sixty Dome Mosque, Vasu Vihara, Barobazar, Lalbagh Fort.

Among these, Somapura Mahavihara and Sixty Dome Mosque have been recognized as World Heritage Sites.