| Keyser Brook | |
|---|---|
  Location of the mouth of Keyser Brook | |
| Location | |
| Country | United States |
| State | New York |
| County | Delaware |
| Physical characteristics | |
| Source | |
| - coordinates | 42°31′22″N74°48′13″W / 42.5228548°N 74.8034876°W |
| River mouth | Charlotte Creek |
| - coordinates | 42°29′23″N74°48′24″W / 42.4897998°N 74.8065440°W Coordinates: 42°29′23″N74°48′24″W / 42.4897998°N 74.8065440°W [1] |
| - elevation | 1,283 ft (391 m) |
Keyser Brook is a river in Delaware County, New York and Otsego County, New York. It flows into Charlotte Creek east-northeast of Davenport.