State Highway 176 or SH 176 is a Texas state highway running from the New Mexico border east to Big Spring.

SH 176 was originally designated by 1933 as a connector route between Tyler and Kilgore. By 1939, this route had been reassigned to SH 31 when its path was shifted south.

The current routing was first cosigned, but not designated, in 1959 concurrent with Ranch to Market Road 87. In 1990 this route was officially designated, canceling RM 87.