Lubovna Castle, also known as Stará Ľubovňa Castle, is a medieval castle located in the town of Stará Ľubovňa in the Prešov Region of northeastern Slovakia. The castle dates back to the 13th century when it was constructed as a border fortress of the Kingdom of Hungary. Over the centuries, it was expanded and renovated, serving various functions including as a royal residence, a prison, and a military barracks.

The castle complex consists of three parts: the Upper Castle, Middle Castle, and Lower Castle. The Upper Castle features a rectangular tower and a Gothic palace, both of which were built in the 14th century. The Middle Castle is a 15th-century Renaissance palace with a chapel, a courtyard, and a well-preserved collection of Renaissance-era artwork. The Lower Castle includes the castle brewery, a mill, and a museum.

The castle has witnessed several important historical events including battles and sieges, and has been visited by notable figures such as Franz Joseph I of Austria-Hungary and Pope John Paul II. Today, it serves as a museum and cultural center, with exhibitions on the history and culture of the region, as well as concerts and other events.

Lubovna Castle is a popular tourist destination in Slovakia, known for its scenic location, impressive architecture, and rich history. Visitors can take guided tours of the castle, explore the museum and exhibitions, and enjoy panoramic views of the surrounding countryside from the castle's towers and walls.