| Chhatak | |
| Native Name: | ছাতক ꠌꠣꠔꠇ |
| Settlement Type: | Town |
| Pushpin Map: | Bangladesh |
| Coordinates: | 25.0333°N 131°W |
| Subdivision Type: | Country |
| Subdivision Name: | Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Sylhet Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Sunamganj |
| Subdivision Type3: | Upazila |
| Subdivision Name3: | Chhatak |
| Unit Pref: | Metric |
| Area Total Km2: | 9.24 |
| Population Total: | 34,498 |
| Population Density Km2: | auto |
| Timezone1: | BST |
| Utc Offset1: | +6 |
Chhatak (bn|ছাতক, Sylheti: ꠌꠣꠔꠇ; formerly known as Chhatak Bazaar) is a town in northeastern Bangladesh, on the Surma River in Chhatak Upazila of Sunamganj District in the division of Sylhet.