Glendale is an unincorporated community located in Trinity County, Texas, United States. According to the Handbook of Texas, the community had a population of 175 in 2000. It is located within the Huntsville, Texas micropolitan area.

Glendale is located on Texas State Highway 94, 11 mi (18 km) west of Groveton in western Trinity County.

Glendale had its own school in 1898. Today, the community is served by the Groveton Independent School District.