| Official Name: | Sunnydale, Washington |
| Pushpin Map: | Washington#USA |
| Pushpin Label: | Sunnydale |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Thurston |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Coordinates: | 46.8337°N -122.9329°W |
| Postal Code Type: | ZIP code |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Sunnydale is an unincorporated community in Thurston County, in the U.S. state of Washington. The community is situated on Old Highway 99 between Grand Mound and Tenino.
Sunnydale took its name from a nearby poultry farm.[1]
Millersylvania State Park is north of the area, and Sunnydale lies east of the Scatter Creek Wildlife Recreation Area.