Årnilt is a village in Halmstad Municipality, in Halland County, Sweden. Årnilt lies at 84 m above sea level. The nearest city is Halmstad, 19.8 km to the southwest. Among the landmarks around are St. Nicholas Church (19.9 km), Enslöv Church (9.8 km) and Skavböke kapell (2.0 km). Among the natural features are Danska fall (13.0 km).