| Bantam River | |
| Name Other: | (Also called Cemetery Brook, Doctor Buell Brook, East Branch of Shepaug, and other names) |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | States |
| Subdivision Name2: | Connecticut |
| Subdivision Type4: | Towns |
| Subdivision Name4: | Goshen, Litchfield, Morris, Washington |
| Length: | Bantam Lake Inlet: 10.88miles; Bantam Lake Outlet: 7.96miles |
| Width Max: | Inlet: ; Outlet: |
| Source1: | Marsh above Litchfield Reservoir |
| Source1 Location: | Goshen, Massachusetts |
| Source1 Coordinates: | (41.8216°N -73.2185°W) |
| Mouth: | Shepaug River |
| Mouth Location: | Washington, Connecticut |
| Mouth Coordinates: | (41.6832°N -73.3035°W) |
| Mouth Elevation: | 604feet |
| River System: | Housatonic |
| Basin Size: | 25732.28acres |
| Tributaries Right: | Ivy Mountain Brook, West Branch |
| Custom Label: | Gradient |
| Custom Data: | 37.69 fpm (Inlet); 38.42 fpm (Outlet) |
The Bantam River is a two-part, southward-flowing stream located in northwest Connecticut in the United States. The full river comprises two streams that flow into and out of Bantam Lake and that are referred to as Bantam Lake Inlet and Bantam Lake Outlet. The two sections of the river enter and leave Bantam Lake at points approximately apart on the lake's north shore. The river drains an area of more than in the towns of Goshen, Litchfield, Morris, and Washington. Its total course is approximately in length. The river rises in the marsh area north of the Litchfield Reservoir and empties into the Shepaug River. It forms the southern boundary of Mount Tom State Park.