| Riley Creek | |
| Pushpin Map: | Canada Southern Ontario |
| Pushpin Map Caption: | Location of the mouth of Riley Creek in Southern Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Length: | 3.5km (02.2miles) |
| Source1: | Riley Lake |
| Source1 Location: | Ryde Township, Gravenhurst, District Municipality of Muskoka |
| Source1 Coordinates: | 44.8181°N -79.1778°W |
| Source1 Elevation: | 247m (810feet) |
| Mouth: | Black River |
| Mouth Location: | Dalton Township, Kawartha Lakes |
| Mouth Coordinates: | 44.7967°N -79.1642°W |
| Mouth Elevation: | 235m (771feet) |
| River System: | Great Lakes Basin |
Riley Creek is a stream in the Great Lakes Basin in Central Ontario, Canada.[1] [2] [3] It flows south from its source at Riley Lake in geographic Ryde Township[4] in the municipality of Gravenhurst, District Municipality of Muskoka, to its mouth as a right tributary of the Black River in geographic Dalton Township[5] in the city of Kawartha Lakes. The Black River flows via the Severn River to Georgian Bay on Lake Huron.
About 80% of the creek lies within Queen Elizabeth II Wildlands Provincial Park.