| Official Name: | Cantonment |
| Native Name: | ক্যান্টনমেন্ট |
| Settlement Type: | Thana |
| Pushpin Map: | Bangladesh Dhaka |
| Pushpin Map Caption: | Location in Dhaka |
| Pushpin Label Position: | right |
| Map Caption1: | Expandable map of vicinity of Cantonment Thana |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Dhaka Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Dhaka District |
| Population Total: | 135,785 |
| Population As Of: | 2022 |
| Population Footnotes: | [1] |
| Population Density Km2: | 9113 |
| Area Total Km2: | 14.47 |
| Elevation Footnotes: | [2] |
| Elevation M: | 23 |
| Timezone: | BST |
| Utc Offset: | +6 |
| Coordinates: | 23°N 90°W |
| Postal Code Type: | Postal code |
| Postal Code: | 1206[3] |
| Area Code: | 02[4] |
Cantonment Thana (bn|ক্যান্টনমেন্ট) is a Thana of Dhaka district in the Division of Dhaka, Bangladesh. It includes the Army Headquarters, Naval Headquarters and the Air Force Headquarters. Cantonment Thana was formed in 1976.[5]
Cantonment is located at 23.8222°N 90.4083°W. It has 36540 units of household and total area 14.47 km2.[5]
According to the 2011 Census of Bangladesh, Cantonment Thana had 25,198 households with an average household size of 4.42 and a population of 131,864. Males constituted 57.03% (75,201) of the population while females 42.97% (56,663). Cantonment Thana had a literacy rate (age 7 and over) of 84.9%, compared to the national average of 51.8%, and a sex ratio of 133.There were 264 floating people in this jurisdiction. [6]
The religious breakdown was Muslim 98.00% (129,230), Hindu 1.40% (1,844), Christian 0.39% (515), Buddhist 0.17% (219), and others 0.04% (56). The ethnic minority people living there were 144 persons in total.