Bandera (Spanish: "flag", /bænˈdɛrə/ ban-DERR-ə) is a city in Bandera County, Texas, United States. It was founded by Polish Catholic settlers from Silesia in the 1850's.The county seat, it lies in the Texas Hill Country, a part of the Edwards Plateau located at the crossroads of the central, southern, and western parts of the state, Its population was 829 at the 2020 census.

Bandera calls itself the "Cowboy Capital of the World", a legacy dating to its days as a staging area for what is today known as Great Western Cattle Trail for the last cattle drives of the 1800s.

Bandera was founded in 1855 by Polish Roman Catholic immigrants from the Province of Silesia. They built St. Stanislaus Catholic Church, and many local residents are descended from them.

Bandera is the Spanish word for flag. How the town acquired the name is unknown. One theory is that the town is named after Bandera Pass.

Bandera was a staging area on the Great Western Cattle Trail, during the late 19th century.

The Cabaret Dance Hall opened in 1936. Throughout its history, the dance hall hosted Bob Wills, Doug Sahm, Ernest Tubb, and others. In 2008, the hall was listed as endangered by Preservation Texas. By at least 2013 the hall was closed. By at least 2015, the hall was demolished.

Bandera hosts a three-day Cowboy Mardi Gras that attracts over 15,000 people from all over the world to the town.

Bandera is located in east-central Bandera County, 47 miles (76 km) northwest of downtown San Antonio, on the Medina River.