Kaharole Upazila (Bengali: কাহারোল) is an upazila of Dinajpur District in the Division of Rangpur, Bangladesh.

Kaharole Upazila is bounded by Birganj Upazila on the north, Dinajpur Sadar Upazila and Biral Upazila on the south, Khansama and Dinajpur Sadar Upazila on the east, and Bochaganj Upazila on the west.

Kaharole is located at 25°47′30″N 88°36′00″E / 25.7917°N 88.6000°E / 25.7917; 88.6000. It has 36,759 households and a total area of 205.53 km.

According to the 2011 Census of Bangladesh, Kaharole Upazila had 36,759 households and a population of 154,432. 34,083 (22.07%) were under 10 years of age. Kaharole had a literacy rate (age 7 and over) of 51.32%, compared to the national average of 51.8%, and a sex ratio of 999 females per 1000 males. 7,355 (4.76%) lived in urban areas. Ethnic population was 3,376 (2.19%), of which Santal were 3,305.

As of the 1991 Bangladesh census, Kaharole has a population of 118,379. Males constitute 51.78% of the population, and females 48.22%. Kaharole's population over 18 years old is 60,240.

UNO: Md. Aminul Islam.

Kaharole, which was formed in 1904 as a Thana, was turned into an upazila in 1984.

Kaharole Upazila is divided into six union parishads: Dabor, Mukundapur, Ramchandrapur, Rasulpur, Sundarpur, and Targaon. The union parishads are subdivided into 153 mauzas and 152 villages.