| Little Black Donald Creek | |
| Name Other: | French: petit ruisseau Black Donald |
| Pushpin Map: | Canada Southern Ontario |
| Pushpin Map Caption: | Location of the mouth of the creek in Southern Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Eastern Ontario |
| Subdivision Type4: | County |
| Subdivision Name4: | Renfrew |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Greater Madawaska |
| Source1: | Mud Lake |
| Source1 Elevation: | 297m (974feet)[1] |
| Mouth: | Black Donald Lake on the Madawaska River |
| Mouth Coordinates: | 45.2389°N -76.9406°W[2] |
| Mouth Elevation: | 248m (814feet) |
| River System: | Saint Lawrence River drainage basin |
Little Black Donald Creek (French: petit ruisseau Black Donald) is a stream in Greater Madawaska, Renfrew County in Eastern Ontario, Canada.[3] [4] [5] It is in the Saint Lawrence River drainage basin and is a left tributary of the Madawaska River at Black Donald Lake.
Little Black Donald Creek begins at the south end of Mud Lake. It flows southwest, then turns south. The creek passes under Renfrew County Road 65, and reaches its mouth at the north shore of Black Donald Lake on the Madawaska River. The Madawaska River flows via the Ottawa River to the Saint Lawrence River.