Lake Brownwood is a reservoir on Jim Ned Creek and Pecan Bayou in Brown County, Texas, United States.

The reservoir is 6,814 acres at an elevation of 1,424.6 feet and is considered eutrophic.

A large flood filled the reservoir in July 1932 but the water was released to complete construction of the dam.

The town of Lake Brownwood, Texas formed, and the Texas Parks Board acquired land for Lake Brownwood State Park in 1933.

This article about a location in Brown County, Texas is a stub.