Hossainpur (Bengali: হোসেনপুর) is an upazila of Kishoreganj District in the Division of Dhaka, Bangladesh.

In 1781, James Reel identified the boundaries of three major areas of Kishoreganj district in the geographical map of undivided Bangladesh.

It was shown as the most important township of ancient Kishoreganj on James Venlen's grid map.

In the full age of the river, this township was well known in this area due to the expansion of business commerce at one time.

Because of the easy flow of rivers, the British East India Company set up blue cells for indigo cultivation in the village of Pitalganj in Upazila.

Even today, the remains of the demolished blue house in Pitalganj village are silent.

Hossainpur had a literacy rate (age 7 and over) of 41.85%, compared to the national average of 51.8%, and a sex ratio of 1038 females per 1000 males.

For performing Eid day prayer having a central Eidgah field located in Notun bazar.

In the flowing season of the Brahmaputra river, a boat race is held on a fixed date.

The distance from Hossainpur to Dhaka is about 95 km from the Mohakhali bus stop.

Jalshiri Express and Banna Paribahan are two popular buses service in this area.

As one of the most popular cities of Kishoreganj, Hossainpur has a good reputation regarding its educational system and growth.