The Pagla Mosque, officially the Pagla Mosque and Islamic Complex, is an old mosque in located on the banks of the Narsunda River in Harua, in the Kishoreganj District of the Dhaka Division in Bangladesh.

According to a legend, a spiritual personality named Dewan Zil Kadar Khan alias Zil Kadar Pagla Sahib, a descendant of Isa Khan of the Haibatnagar Zamindar family in the region, used to pray on the banks of the Narsunda River. Later, a mosque was built at the site. The mosque came to be known as the Pagla Mosque after Zil Kadar Pagla. According to another legend, the mosque was named after the Pagla Bibi of the then Haibatnagar Zamindar family of Kishoreganj.