Jalpura Tapa (Hindi: जलपुरा तापा) is a village and gram panchayat in Koilwar block, Bhojpur district in the Indian state of Bihar. Situated close to the Sone River, it is a large village with more than 12,000 residents. Population-wise it is the largest village and area-wise, it is the 2nd-largest village of Koilwar block.