Starý Hrádok (Hungarian: Kisóvár) is a village and municipality in the Levice District in the Nitra Region of Slovakia.
In historical records the village was first mentioned in 1239.
The village lies at an altitude of 148 metres and covers an area of 6.568 km². It has a population of about 170 people.
The village is approximately 87% Slovak and 13% Magyar.
The village has a public library and tennis court.
Coordinates: 48°09′N 18°38′E / 48.150°N 18.633°E