Bangladesh Institute of Islamic Thought (BIIT) is a research-oriented think-tank situated in Bangladesh and is registered with the International Institute of Islamic Thought, based in Washington, United States.

BIIT is engaged in research and in-depth studies for synthesizing education, culture & ethics.

[1] Shah Abdul Hannan, a notable Bangladeshi intellectual, is a co-founder of the institute and currently serves as the head of the BIIT Trust.

The divisional offices of the institute are located Chittagong, Rajshahi and Kushtia.

The institute regularly publishes books and translated works from Islamic scholars of other languages such as Arabic and English.