Terrell Hills is a city in Bexar County, Texas, United States; it is located 5 miles (8 km) northeast of downtown San Antonio.

The community is named after Frederick Terrell, a local bank president who had served as mayor of San Antonio in 1901.

In 1945, the City of San Antonio attempted to annex the new municipality without permitting an election in either Terrell Hills or San Antonio, but Terrell Hills successfully sued to block the annexation.

According to the United States Census Bureau, the city has a total area of 1.6 square miles (4.2 km2), all land.

The Census Bureau classified 4.7% of the city's population, and 3.2% of its families, as living below the poverty line.

[15] A small portion of Terrell Hills is served by the North East Independent School District.