| Official Name: | Shadow Lake, Washington |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Washington#USA |
| Pushpin Label: | Shadow Lake |
| Pushpin Map Caption: | Location in Washington and the United States |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | King |
| Unit Pref: | Imperial |
| Area Total Km2: | 13.81 |
| Area Land Km2: | 13.44 |
| Area Water Km2: | 0.37 |
| Population As Of: | 2010 |
| Population Total: | 2262 |
| Population Density Sq Mi: | 436.0 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 550 |
| Coordinates: | 47.4017°N -122.0694°W |
| Postal Code Type: | ZIP Code |
| Postal Code: | 98038 |
| Area Code: | 425 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2585035[1] |
| Blank1 Name: | FIPS code |
| Blank1 Info: | 53-63545 |
Shadow Lake is a census-designated place (CDP) in King County, Washington, United States. The population was 2,262 at the 2010 census.[2]
Shadow Lake is located in southwestern King County at 47.4017°N -122.0694°W (47.401561, -122.069418).[3] It is bordered to the southeast by the city of Maple Valley, to the south by the city of Covington, and to the north by the Maple Heights-Lake Desire CDP. SE Petrovitsky Road forms the northeast border of the community. Shadow Lake is southeast of downtown Seattle and northeast of Tacoma.
According to the United States Census Bureau, the CDP has a total area of 13.8sqkm, of which 13.4sqkm are land and 0.4sqkm, or 2.67%, are water.[2] The namesake Shadow Lake water body is in the western part of the CDP.
Tahoma National Cemetery is located at (47.38722, -122.09354) in the southwest part of the CDP, off SE 240th Street.