| Official Name: | Dewan Bazar |
| Native Name: | দেওয়ান বাজার |
| Settlement Type: | Chattogram City Corporation |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Chittagong Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Chittagong District |
| Subdivision Type3: | City |
| Subdivision Name3: | Chittagong |
| Subdivision Type4: | Jatiya Sangsad constituency |
| Subdivision Name4: | Chittagong-9 |
| Population Total: | 32633 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Area Total Km2: | 0.44 |
| Government Type: | Mayor–Council |
| Leader Title: | Councillor |
| Leader Name: | Chowdhury Hasan Mahmud Hasni |
| Coordinates: | 22.3417°N 141.6°W |
| Established Title: | Formed |
| Postal Code Type: | Postal code |
| Timezone: | BST |
| Utc Offset: | +6 |
| Postal Code: | 4000 |
| Website: | ccc.gov.bd |
Dewan Bazar (Bengali: দেওয়ান বাজার) is a No.20 Ward of Chattogram City Corporation[1] and a part of Kotwali Thana, Bangladesh.[2]