Guimara Upazila () is an upazila (sub-district) of Khagrachhari District, Chittagong Division, Bangladesh.
Guimara Upazila was established as an upazila on 30 November 2020. As of 2020, the administrative building has not been built. The upazila is administered from Guimara Union Parishad Complex Bhaban due to the lack of a purpose built administrative building. Brigadier General Mohammad Shahriar Jaman is the commander of the Guimara region.
UNO: Rajeeb Chowdhury.
It has an area of 243.46 km2.
The upazila has three unions:
According to the 2022 Bangladeshi census, Guimara Upazila had 12,358 households and a population of 53,258. 10.58% of the population were under 5 years of age. Guimara had a literacy rate (age 7 and over) of 66.41%: 72.09% for males and 60.69% for females, and a sex ratio of 100.95 males for every 100 females. 10,810 (20.30%) lived in urban areas.
ð¨ Buddhist majority ð§ Hindu majority
The ethnic population was 34,303 (64.41%), of which Marma were 20,293, Tripura were 10,007, and Chakma 3,927.
ð© Bengali majority ð¦ Marma majority