| Islamganthi Mosque | |
| Native Name: | ইসলামগাঁথী মসজিদ |
| Tradition: | Sunni |
| Religious Affiliation: | Islam |
| Map Type: | Bangladesh |
| Map Size: | 250 |
| Location: | Islamganthi, Atrai Upazila, Naogaon District, Bangladesh |
| Consecration Year: | 1608-1613 |
| Functional Status: | active |
| Architecture Style: | Islamic architecture |
| Architecture Type: | Mosque |
| Established: | 1608-1613 |
| Year Completed: | 1608-1613 |
| Dome Quantity: | 3 |
Islamganthi Mosque (Bengali: ইসলামগাঁথী মসজিদ, Arabic: {{Nastaliq|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. It lies on the banks of the Atrai River.[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. Many villages in the area are named after the governor.[2]
The mosque has three circular domes which lie on top of the mosque's three rooms respectively.[1]