Kuliarchar ( kuliearcor) is an upazila of Kishoreganj District under the division of Dhaka, Bangladesh. It is about northwest of the capital city of Dhaka. It is also a center of business, especially the fish, jute trade and processing plants, and the shoes sector of the country.
Kuliarchar is located at . It has a total area of 104.01 km<sup>2</sup>. It is in north east of Bangladesh.
According to the 2022 Bangladeshi census, Kuliarchar Upazila had 47,647 households and a population of 202,477. 11.13% of the population were under 5 years of age. Kuliarchar had a literacy rate (age 7 and over) of 71.55%: 72.56% for males and 70.65% for females, and a sex ratio of 90.41 males for every 100 females. 80,677 (39.85%) lived in urban areas.
According to the 2011 Census of Bangladesh, Kuliarchar Upazila had 39,166 households and a population of 182,236. 52,158 (28.62%) were under 10 years of age. Kuliarchar had a literacy rate (age 7 and over) of 44.64%, compared to the national average of 51.8%, and a sex ratio of 1072 females per 1000 males. 31,781 (17.44%) lived in urban areas.
Kuliarchar Upazila is divided into Kuliarchar Municipality and six union parishads: Chhaysuti, Faridpur, Gobaria Abdullahpur, Osmanpur, Ramdi, and Salua. The union parishads are subdivided into 46 mauzas and 97 villages.
Kuliarchar Municipality is subdivided into 9 wards and 37 mahallas.
Kuliarchar has one degree college (Kuliarchar Government College), 3 high schools, 12 primary schools, and a madrasa.