Bluff Springs is a small unincorporated community in southern Travis County, Texas, United States.

A post office was established at Bluff Springs in 1853 and remained in operation until 1902, with William S. Smith serving as postmaster.

In the mid-1880s, the settlement had several steam-powered gristmills, cotton gins, and a church serving 250 residents.

Farmers in the area grew cotton, corn, oats, and sweet potatoes.

[3] Bluff Springs is located on Onion Creek, 8 mi (13 km) south of Austin and two miles east of Interstate 35 in southern Travis County.