| Official Name: | Oak Creek Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nebraska |
| Subdivision Type2: | County |
| Subdivision Name2: | Saunders |
| Area Total Km2: | 93.55 |
| Area Land Km2: | 93.49 |
| Area Water Km2: | 0.06 |
| Area Total Sq Mi: | 36.12 |
| Area Land Sq Mi: | 36.1 |
| Area Water Sq Mi: | 0.02 |
| Area Water Percent: | 0.06 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 932 |
| Population Density Km2: | auto |
| Elevation M: | 400 |
| Elevation Ft: | 1312 |
| Coordinates: | 41.0917°N -96.8492°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0838167 |
Oak Creek Township is one of twenty-four townships in Saunders County, Nebraska, United States. The population was 932 at the 2020 census,[1] 40.8% of whom were of Czech ancestry, the second highest percentage of Czech-Americans in the United States. A 2021 estimate placed the township's population at 943.[1]
The Village of Valparaiso lies within the township.