The Gunahar Zamindari (Bengali: গুনাহার জমিদারী) was a zamindari based in the Bogra District of Bangladesh. The residential palace, popularly known as Saheb Bari (Bengali: সাহেব বাড়ী), was the erstwhile Zamindars of Gunahar in Dhupchanchia. The present building was constructed in 1941, and remains a tourist attraction.