Herk-de-Stad (Dutch pronunciation: [ˈɦɛr(ə)ɡ də ˈstɑt] ; French: Herck-la-Ville, French pronunciation: [ɛʁk la vil]) is a city and municipality located in the Belgian province of Limburg. On 1 January 2018, Herk-de-Stad had a total population of 12,661. The total area is 42.83 km which gives a population density of 296 inhabitants per km.

Besides the village of Herk-de-Stad itself, the municipality contains the communities of Berbroek, Schulen and Donk. Donk contains two country houses, both of the eighteenth-century, Kasteel Hamont and Kasteel Landwijk, which stands on the site of a castle established in the 12th century.

There is an annual rock festival in the village, Rock Herk. There is a balanced mix of techno, drum 'n bass, electronica, alternative rock, post-rock, punk-rock, hardcore punk, metal, stoner, rock 'n roll, and related genres. Bands that played in the past include Stretch Arm Strong, Isis, Explosions in the Sky, New Wet Kojak, Karate, Add N to (X), Thin White Rope, Swervedriver, Spiritualized, Cosmic Psychos, Slapshot, Southern Culture on the Skids, Barkmarket, and Godflesh.

• Virginie Claes, Miss Belgium 2006
• Annemie Coenen, the singer of former Ian Van Dahl now known as AnnaGrace
• Godefroy Wendelin, astronomer

• Media related to Herk-de-Stad at Wikimedia Commons
• Official website - only available in Dutch
• Rock Herk official site
• Herk-de-Stad.info Independent informal website - only available in Dutch