Tanglewood Forest is a neighborhood of southern Austin, Texas that was formerly its own census-designated place in Travis County, active as of the 1990 U.S. census.
It was formerly governed from a municipal utility district. In 1997 the city of Austin announced it was annexing Tanglewood Forest.
It is in the Austin Independent School District. Kocurek Elementary School is the local elementary.
Headwaters School (formerly Khabele School) Creek Campus is in Tanglewood Forest.
Tanglewood first appeared as a census designated place in the 1990 U.S. census; and absorbed in the city of Austin prior to the 2000 U.S. census.