Islamganthi Mosque (Bengali: ইসলামগাঁথী মসজিদ, Arabic: مسجد إسلامغاتي), also spelt Islamganti Mosque (Bengali: ইসলামগাঁতী মসজিদ), is a medieval three-domed Islamic place of worship in northern Bangladesh's Naogaon District.

The seventeenth-century mosque dates back to the Mughal period.

[1] The mosque is located in the village of Islamganthi, in Bisha Union, Atrai Upazila, Naogaon District.

[1] Although the history of this mosque is shrouded in history, locals believe that it was constructed over 500 years ago within the span of a single night.

Researchers have hypothesised that the mosque was constructed by Islam Khan I during his term as the Mughal Subahdar of Bengal which lasted between 1608 and 1613.