| Oak Creek | |
| Name Other: | Tributary to Niobrara River |
| Map Size: | 300 |
| Pushpin Map: | USA Nebraska#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Oak Creek mouth |
| Pushpin Map Alt: | Map of Oak Creek mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Nebraska |
| Subdivision Type3: | County |
| Subdivision Name3: | Rock |
| Length: | 7.41miles[1] |
| Discharge1 Location: | Niobrara River |
| Discharge1 Avg: | 1.81cuft/s at mouth with Niobrara River[2] |
| Source1: | North Fork Elkhorn River divide |
| Source1 Location: | about 0.25 miles north of Plainview School |
| Source1 Coordinates: | 42.6856°N -99.3243°W[3] |
| Source1 Elevation: | 2205feet |
| Mouth: | Niobrara River |
| Mouth Location: | about 1.5 miles west of Mariaville, Nebraska |
| Mouth Coordinates: | 42.7775°N -99.3448°W |
| Mouth Elevation: | 1805feet |
| Progression: | Niobrara River → Missouri River → Mississippi |
| River System: | Niobrara |
| Bridges: | NE 137, 888th Road, NE 137, 890th Road, Antelope Road |
Oak Creek is a 7.41miles long third-order tributary to the Niobrara River in Rock County, Nebraska.
Oak Creek rises on the North Fork Elkhorn River divide about north of Plainview School and then flows northwest and northeast to join the Niobrara River about west of Mariaville, Nebraska.[3]
Oak Creek drains of area, receives about of precipitation, and is about 9.33% forested.[2]