Låsby is an urban Settlement in Skanderborg Municipality, in the region of Central Denmark, Denmark. Låsby lies at 75 m above sea level. It has 2,059 inhabitants (2026). The nearest city is Skanderborg, 15.3 km to the southeast. Among the landmarks around are Illerup Ådal (13.6 km), ARoS Aarhus Kunstmuseum (24 km) and Den Gamle By (24 km). Among the natural features are Himmelbjerget (9.3 km) and Møllehøj (19.5 km).