| Official Name: | Rajarhat |
| Native Name: | রাজারহাট |
| Settlement Type: | Upazila |
| Coordinates: | 25°N 89°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Rangpur |
| Subdivision Name2: | Kurigram |
| Leader Title: | Upazila Parisad Chairman |
| Leader Name: | Abul Hashem |
| Leader Title1: | UNO |
| Leader Name1: | MD. Rafikul Islam |
| Area Total Km2: | 166.64 |
| Population Total: | 182981 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 5610 |
| Timezone: | BST |
| Utc Offset: | +6 |
Rajarhat (Bengali: রাজারহাট) is an upazila of Kurigram District in the Division of Rangpur, Bangladesh. Since 1981 it has been a Thana and later on September 14, 1983, it was turned into an upazila by the government.
Rajarhat is located at 25.8°N 89.55°W, which is about 10 kilometers west to the center of Kurigram district. It is surrounded by Phulbari and Lalmonirhat Sadar upazilas on the north, Ulipur and Pirgachha upazilas on the south, Kurigram sadar upazila on the east, and Lalmonirhat Sadar and Kaunia upazilas on the west. It has 46,489 households and a total area of 166.64 km2. Two rivers, Teesta and Dharla pass through this upazila.
According to the 2011 Bangladesh census, Rajarhat Upazila had 46,489 households and a population of 182,981. 39,385 (21.52%) were under 10 years of age. Rajarhat had a literacy rate (age 7 and over) of 52.03%, compared to the national average of 51.8%, and a sex ratio of 1060 females per 1000 males. 9,292 (5.08%) lived in urban areas.[1] [2]
As of the 1991 Bangladesh census, Rajarhat has a population of 158648. Males constitute 50.52% of the population, and females 49.48%. Upazila's adult (over 18) population is 72315. Rajarhat has an average literacy rate of 27.1% (7+ years), and the national average of 32.4% literacy.[3]
Rajarhat Upazila is divided into seven union parishads: Biddanondo, Chakirpashar, Chinai, Gharialdanga, Nazimkhan, Rajarhat, and Umarmajid. The union parishads are subdivided into 110 mauzas and 180 villages.[1]
Similar to other upazilas in the country, Upazila Parisad headed by an Upazila Chairman who is elected in a direct vote of the people is the highest form of local government in Rajarhat upazila.