Underbjerg is a village in Lemvig Municipality, in the region of Central Denmark, Denmark. Underbjerg lies at 3 m above sea level. The nearest city is Holstebro, 33 km to the southeast. Among the landmarks around are Lemvig Museum (4.4 km), Ferring Church (11.9 km) and Museet for religiøs kunst (3.9 km). Among the natural features are Bovbjerg (12.6 km) and Nørlem Bavnehøj (4.5 km).