Ľubovňa Castle (Slovak: Ľubovniansky hrad, Hungarian: Lubló vára, Polish: Zamek Lubowelski) is a medieval castle located in the city of Stará Ľubovňa in Slovakia. The castle was built in the late 13th century, when the territory belonged to the Kingdom of Hungary. The first written mention dates back to the year 1311. In 1412, King Sigismund of Hungary and King Władysław Jagiellon of Poland met at the castle and signed a pact of friendship and peace.
The castle is now partly a ruin and partly rebuilt. The preserved rooms house a museum. The castle chapel houses a permanent exhibition of copies of the Polish crown jewels, the originals of which were kept there during the Swedish Deluge. Below the castle is the Museum of Folk Architecture of the Spiš Region, which is an open-air museum. Within the conserved section of the castle lies a museum that features a historical exhibition, a display of period furniture and weaponry. The castle houses an exhibition room that hosts seasonal exhibitions. Some rooms retain barrel and Prussian vaults, while an underground torture chamber has also been preserved.