| Official Name: | Long Lake, Texas |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Texas#USA |
| Pushpin Label: | Long Lake |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Anderson |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 236 |
| Coordinates: | 31.6497°N -95.7811°W |
| Area Code: | 430 & 903 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1361751 |
Long Lake is an unincorporated community in Anderson County, in the U.S. state of Texas. It is located within the Palestine, Texas micropolitan area.
Long Lake sits along the Union Pacific line, U.S. Routes 79 and 84 along the Trinity River, 11miles southwest of Palestine in southwestern Anderson County.
Long Lake had its own school in 1939, as well as a school called Green Bay High School in 1982. Today, the community is served by the Westwood Independent School District.