Nasirnagar (Bengali: নাসিরনগর) is an upazila of Brahmanbaria District[4] in Chattogram Division, Bangladesh.

According to the 2011 Census of Bangladesh, Nasirnagar Upazila had 59,024 households and a population of 309,011.

Nasirnagar had a literacy rate (age 7 and over) of 34.92%, compared to the national average of 51.8%, and a sex ratio of 1052 females per 1000 males.

[7] Nasirnagar Upazila is divided into 13 union parishads: Fandauk, Burishwar, Bhalakut, Chapartala, Chatalpar, Dharmondol, Goalnagar, Gokarna, Goniauk, Haripur, Kunda, Nasirnagar, and Purbabhag.

[6] Chairman: Roma Akter Vice Chairman: Abu Ahmad Kamrul Huda Woman Vice Chairman: Rita Akhtar Upazila Nirbahi Officer (UNO): Muhammad Imranul Haque