Rozvadov () is a municipality and village in Tachov District in the Plzeà  Region of the Czech Republic. It has about 800 inhabitants. Located on the Czech-German border, the municipality is known for one of the busiest road border crossings in the country. Rozvadov is also known for King's Resort Rozvadov, one of the largest casinos in Central Europe.
Rozvadov consists of six municipal parts (in brackets population according to the 2021 census):
The name is derived from the personal name Rozvad, meaning "Rozvad's (court)".
Rozvadov is located about southwest of Tachov, west of Plzeà Â, on the border with Germany. It lies in the central part of the Upper Palatine Forest. The highest point is below the summit of the hill Javorný vrch, at above sea level.
The first written mention of Rozvadov is from 1581. The customs office is first mentioned in 1613. The current customhouse is a building from 1934.
Before the expulsion of Germans in the wake of World War II, the municipality had a German-speaking majority.
Rozvadov is known for King's Resort Rozvadov. It contains the largest poker room in Europe.
Rozvadov is known for its important road border crossing with Germany Rozvadov / Waidhaus, located on the D5 motorway.
The most valuable monument is the Church of Saint Catherine in Svatá Kateà Âina. It was built in the Baroque style in the first half of the 18th century, on the site of a Gothic provostship with the chapel of the Virgin Mary.
The Church of the Visitation of the Virgin Mary is located in Nové Domky. It is a rare example of a church built purely in the Empire style. It dates from 1836. The building is dilapidated and unused, but is gradually repaired.
The village of Diana is known for Diana Castle. It is a Baroque hunting lodge built before 1732 and modified in the Neoclassical style. It was built for the Kolowrat family and named after Diana, the goddess of hunters. Next to the castle is a park. Today the building is privately owned and unused.